Terminals on these lamp boards let you connect lamps in series or parallel. Lamp board features removable shunt wires that allow for quick changing from parallel to series or any combinations of the two. All units have plastic bases with rubber feet. Small incandescent bulbs included. Available in three or five-socket sizes.
AA cell battery holder with 6" connector cords in red and black. Made of unbreakable plastic. Curved sides help prevent the battery from falling out when it is upside down. Ages 7+
The Economy Spark Timer is ideal for determining the rate of acceleration is a falling weight, calculating the speed of a moving cart, or studying the forces of friction. -Students Calculate Speed and acceleration -Items Enclosed for Safety - Cord and Plug Included for 110 VAC Operation -Free-Fall Weight Included The measured object pulls a paper strip through the timer…
To demonstrate that gravitational acceleration down an incline is independent of the falling mass. The two wheeled trolley runs across the room on an inclined overhead cable. Mounting hardware, 10.8 m of cable, and full operating instructions are supplied with the unit. Size is 15 x 10 cm. Mass set and hanger are not supplied with apparatus.
Acrylic demonstration lenses include one each of double convex, double concave, plano-convex, Plano concave, concavo-convex, and convexo-concave. The focal length of each lens is 50 mm. The set includes a storage case.
Made of polished acrylic 15 mm thick, the set is provided in a convenient storage box. Set consists of: rectangle (75 mm sides), double convex lens and two double concave lenses with a focal length of about 10 cm, equilateral prism, and semi-circular block.
Sliding weights on each prong of the tuning fork can be adjusted to deliver tones at C-128, D-144, E-160, F-170.7, G-192, A-213.3, and B-240 frequencies.
Excellent for all types of low voltage experiments, these 24g connector cord feature 1" sheathed alligator clips on each end. Sold in packs of 10 (2 each of white, yellow, black, red, and green). Ages 7+ Each set includes 10 connector cords.
Demonstrate that although the mass and volume for each example are different, the density and specific gravity will remain the same. Includes 12 aluminum cylinders (1/2 in. dia.) of various lengths in a wood storage block.
General purpose student bench meters with full-scale accuracy of ±2.5% and overload protection. Features include large 3" scales, external zero-adjust calibration, and fully enclosed plastic cases with inclined meter faces.
Demonstrate the mechanics of fluid by visually comparing the viscosity of four different liquids. Each tube contains a different weight liquid and a 3/8 in. plated steel ball. The balls are lifted just above the line on the tube with a magnet and then released. Students compare the time for the balls to fall. Liquids are not included. Comes with…
This simple device demonstrates how gravity works. By Perfectly distributing weight on the tips of the wings, and placing its mass near the tip of its beak, the equilibrium of the bird stabilized. This allows the bird to balance on whatever object it is placed upon! 6" x 6" x 2.5", 0.1lb.
A simple apparatus for demonstrating thermal expansion. The apparatus consists of a brass ball and ring. The cold ball passes through the ring but does not pass when heated. The brass ball is connected to the rod with a chain.
Heavy duty, both ball, and ring are mounted on separate handles. When cool, the 25 mm brass ball passes easily through the matching brass ring; when hot, it won't go through.
Demonstrate that the forward motion of a ball ejected vertically is the same as that of the vehicle from which it was ejected. A car with ball bearing wheels and vertically mounted spring loaded barrel. The barrel permits two spring tensions. Complete with a 25 mm steel ball and release pin.
To illustrate the expansion of the metal on heating and contraction on cooling, a steel bar of length 100 x 10 mm and a plated brass gauge with a cutout to accommodate the bar and two holes through which the bar passes when cold.
This battery-powered timer produces 30 to 50 marks per second for dynamic experiments. 1.5V motor operates on two D-cell batteries (not included). A wooden base improves stability, reduces vibration, and permits attachment to a ring stand post. The striker mechanism acts against an aluminum plate to produce an improved-dot definition on the ticker tape.
To Investigate the relationship between the speed of a fluid and its pressure. Consists of a glass Venturi tube with two different diameters. One pair holds a U-shaped tube in which a color liquid can be placed to demonstrate the different pressures exerted when air is blown through the tube. It includes two rubber tubes and a glass Venturi tube…
Build rockets from ordinary plastic soda bottles that can soar to heights in excess of 150 feet! All you need is water! This solid aluminum bottle rocket launcher allows you to pressurize any plastic soda bottle (from 500 ml to 2 liters) with an ordinary bicycle tire pump. A quick tug on the release cord and your rocket climb skyward.…
Consists of an airtight plastic syringe supported between two wood blocks. Placing various weights on the upper block compresses the gas, allowing pressure and volume measurements to be made to verify Boyles Law.
This precise apparatus is designed for demonstrating Boyle’s Law (elasticity of gases). The apparatus illustrates accurate readings over a wide range of pressure. Two glass tubes, one with a closed top and the other with an open one connected together by a piece of flexible tubing, running parallel to one another on metal rods. This allows one of the tubes…
C cell battery holder with 6" connector cords in red and black. Made of unbreakable plastic. Curved sides help prevent the battery from falling out when it is upside down. Ages 7+
Supertek double cell holder is a high quality easy to load and easy to remove cell holder for holding two standard D size batteries. It is fitted on the sturdy plastic base. 4mm sockets are provided for the input signals separately with each cell holder. Double cell holder can be used as a single cell holder by using only one…
Supertek single cell holder is a high quality easy to load and easy to remove the standard D-size battery. It is fitted on a sturdy plastic base. 4mm sockets are provided for the output. Two or more cell holders can be used for parallel or series combinations. Supplied without battery. Size: 7.09" L x 4.13" W x 3.35" H Grades…
Everything is needed to measure the relationship between centripetal force and mass. This kit includes a hollow tube handle, rubber stopper (rotating weight), washers (stationary weights), nylon thread, and complete instructions for you to do centripetal force demonstrations.
A 4cm plastic pulley is mounted on a table clamp with low friction brass cone bearings. It can be used on lab tables, inclined planes, or force tables for experiments involving the resolution of forces, friction, or motion. It can clamp onto surfaces up to 3cm thick. A crossbar on the screw offers a better grip for tightening and the…
Curved ramp to deliver a ball for collision with constant energy. The apparatus includes: Two ½ inch steel balls, One 16mm glass ball, One 1 inch wooden plumb bob. With Instructions.
Students will never get bored with these brightly colored pulleys. They will add color & excitement to any mechanics experiment. These standard-size pulleys are less intimidating to smaller children. Ages 10+
This mini magnetic compass is 16 mm (5/8") in diameter. It is useful for designating the direction of magnetic fields in magnetism studies or for making simple galvanometers in electricity studies.
This versatile, comprehensive Ray Box Kit allows teachers to demonstrate all geometric optics principles to the whole class. The Ray Box and all-optical accessories can be firmly held to a metal chalkboard or whiteboard. The kit comes with a robust plastic box with a 12V halogen lamp, a cylindrical lens, a set of 5 slit diaphragms, a set of 7…
The constant motion machine moves with a uniform speed in a straight line. The machine has a hook attached to its rear end and can pull dynamics carts to demonstrate the concept of vectors and velocity. Requires two AA batteries, not supplied with apparatus.
To show the convection of heat in air. Metal box, 230 x 75 x 75 mm, with sliding glass front and two detachable glass chimneys. Supplied without candles.
D cell battery holder with Fahnestock clips for easy connection. Made of unbreakable plastic. Curved sides help prevent the battery from falling out when it is upside down. Ages 7+
D cell battery holder with 6" connector cords in red and black. Made of unbreakable plastic. Curved sides help prevent the battery from falling out when it is upside down. Ages 7+
This handheld D.C generator is an excellent alternative to more expensive models. It is an ideal tool for demonstrating this transformation of mechanical energy into electrical energy. This unit produces a terminal voltage of 6.3V and a maximum current output of 1.2A. Comes with two 15" leads. Ages 7+
A simple kit for students to gain insight into field poles, armatures and switches, Kit includes one mounting base, field pole, armature, two wire brushes, a piece of copper wire, two shaft supports, a AA battery holder, AA battery, and 4 each of screws and nuts. With assembly instructions.
Consists of six rotary switches in decade sequence mounted on a metal panel with each value clearly marked. From 0 to 1, 111, 110 x 1 ohm, Accuracy within + 0.5% Two universal binding posts are provided for easy connection.
For demonstrating the principle of diffraction grating and the way in which its properties are dependent upon the number of lines per unit length. Comprises a card mount 90 x 40 mm approximately with three 16 x 9 mm apertures, each containing a diffraction grating replica. The gratings are 100 lines / mm. 300 lines / mm and 600 lines…
With interchangeable scales. A versatile instrument and demonstration meter that can be converted to an A.C., or D. C. voltmeter or ammeter with the selection of various ranges for each mode. With a high-quality moving coil, spring-controlled movement with full-scale deflection of 5 mA or 100 mV D. C. The long pointer has a spade end and is visible from…
Demonstrates the effect of temperature on the density of a liquid. Consists of a 3" stainless steel hollow sphere weighted so it will float when placed in cool water (15° C) and sink in warm water (30° C). Instructions include 3 experiments.
Set of different half-inch diameter specimens of varying lengths, supplied in a wood storage block. The set includes cylinders of Aluminum, Brass, Copper, Glass, Hard Rubber, Delrin, PVC, Acrylic, Teflon, Nylon, Maple, and Pinewood.
The set consists of specimens of 15 different types of materials. Students measure the mass, length and volume to determine the density of each of the materials. Set contains a sturdy storage base with one sample each of Walnut, Pine, Maple, Polypropylene, Polyethylene, Polyamide, Acrylic, Polyurethane, Phenolic, Polyvinylchloride, Delrin, Aluminum, Brass, and Copper. Samples are stamped with a letter code…
Various shapes are used to teach students how to make measurements in the Metric System and how to use the formula: Density Mass/Volume. Students use various materials to demonstrate densities. Includes one 3”x 1”x 1/4” aluminum bar, two 1/2” aluminum cubes, one 1/2” diameter steel sphere, one glass sphere, and one 15 cm scale.
Set of half-inch diameter density cylinders, consisting of 12 specimens of the same material but varying lengths, stored in a wood base. Includes a set each of Aluminum, Brass, PVC, and Polypropylene. Set of 48.
A set of 10, one inch density cubes in a storage box. Materials included are: Acrylic, Aluminum, Brass, Copper, Maple, Nylon, Pine, Poplar, PVC and Steel. [vc_row][vc_column][vc_btn title="Press For Product Video" style="custom" custom_background="#4374a7" custom_text="#ffffff" shape="square" i_icon_fontawesome="fa fa-video-camera" add_icon="true" link="url:http%3A%2F%2Fstaging.shivsons.com%2Fwp-content%2Fuploads%2F2021%2F12%2FPH10040-1.mp4|||"][/vc_column][/vc_row]
For use with demonstration meter. Each dial comprises a plastic panel with a sealed moulded capsule on one side containing appropriate shunts or voltage multipliers.
Cylindrical lenses made of highly polished glass magnifies in only one dimension. These lenses are used in transforming a point image into a line or changing the height of an image without changing its width.
For experiments in velocity, acceleration, momentum, elastic collisions etc. The plastic carts has deep wells for additional masses, includes two rubber bumpers for inelastic collisions, two spring loops for elastic collisions and an instructions. Each measures 13 x 5 x 3.5 cm and has a mass of 70 gm.
An Essential Electrical part for use in physics, Electrical circuits, Sound experiments, and other general lab use. Strong plastic construction. The voltage requirement is 3 DC volts. Includes a 7/8" buzzer on a base with two holes for mounting and 3" L Connecting wires. Ages 7+
Electric calorimeters can be used with or without the electric heating element. With the heating element, students can determine the electrical equivalent of heat; without the heating element, it is a standard double-walled calorimeter. Instruction manual included. Ages 13+
Replacement electrodes for student Voltaic Cell set. Consists of 10 electrodes: 1 carbon, 1 nickel, 2 copper, 2 iron, and 2 zinc Electrodes are about 4 x 3/4".
2 wire coils on plastic spools. Straight iron core for bar magnet, 4cm long. U-shaped iron core for horseshoe magnet, 5 cm long. Lifting bar with hook, 2 compasses, 10 steel pins, 3 insulated wires with connecting tabs, Activity guide, and storage case.
This kit allows you to see the link between electricity and magnetism. Includes a copper wire coil, a “soft” iron core, a battery holder and two paper clips. Also comes with detailed instructions to guide you through the experiments on electromagnetic fields and polarity. Requires an AA battery. Ages 7+
This compact but powerful electromagnet lifts up to 200 lb using one D-cell battery (not included). Students learn why this magnet is so powerful and what influences the strength of electromagnets. Instructions included.
Enclosed to prevent air currents from affecting the deflection of leaves. Each leaf is suspended from two small hooks. The leaves pivot, rather than bend, when charged. The front and rear side of the box is made of square glass to allow visibility. supplied with a booklet of 6 leaves.
A pair of light weight balls are suspended from a rod with a piece of string. The support rod is mounted on an insulated base. Provides a simple yet effective way to learn about electrostatics.
Flask type, conical flask with rubber stopper which holds a metal rod with disc top and lower flat end to which a leaf may be pasted. Supplied with a booklet of 6 leaves and instructions for fitting.
Materials for demonstrating the generation of electrostatic charges with friction rod . a hollow glass rods Kit includes solid glass rod and a wool friction hard rubber rod, silk friction pad, pad, flannel friction pad, animal fur( synthetic) friction pad, 3 balloons, 10 ft of string and instructions. Grades 9+
Demonstrates conversion of kinetic energy into heat and sound energy during a collision. Consists of a pair of heavy steel balls. When the balls strike against each other with a piece of paper between the balls, the heat causes a hole to appear in the paper. The kinetic energy of the balls upon collision is converted to heat which is…
To demonstrate the inverse relationship between density and length. The specimens, Aluminum, Copper, Nylon, Polyvinylchloride and Polyethylene, are all 12 mm in diameter with 15 gm mass. Length range from 15 to 100 mm. Instructions are included.
To demonstrate the conversion of mechanical energy into electrical energy. A copper disc with a turning handle rotates between two poles of a horseshoe magnet. On base with two terminals, one of which is connected to a pillar supporting the disc and the other to a brush bearing on edge of the disc.
Learn about magnetic fields with our Floating Magnet Set. The three ring magnets are incased in plastic and each pole is marked as N/S. They are also color coded for quick visual identification. Comes with it's own stand. 1.5 X 1.5 X 5.5”. Ages 7+
Learn all about magnetic fields with three colorful ceramic donut magnets and a pencil (included). Instructions for four simple and educational experiments using magnetic fields are included. Ages 7+.
Demonstrate magnetic repulsion in a colorful and memorable way. Includes Five 12.6 in. (32cm) external diameter ceramic ring magnets; one 5.9 in. (15cm) wooden rod on the base.
For verifying laws of composition and resolution of forces, comprising a machined aluminum table 40 cm dia., scale graduated 360°, on heavy vertical support rod and tripod base. Complete with one ring, and 4 sliding clamp pulleys. Supplied with four cords with rings at one end, without masses.
Air-cooled, four strokes, with the operation of valves clearly shown. Mounted on a polished wooden base with schematic diagram, overall height 450 mm approx.
Dynamic carts with low friction ball bearing wheels and space to carry five ordinary brick. Each cart is supplied with one heavy and one light bumper spring, which can be easily changed. Complete with a loop spring and instructions. Each cart measures 7.5 x 25 cm, exclusive of wheels and bumper spring.
This set includes a fiction block and a friction board, both made of smoothly finished pine wood. The friction block has a hook for the spring scale and two compartments for additional weights. It can be placed face-up or sideways. Students can vary the weight or area of contact to see their impact on the friction force. Comes with three…
Use this friction block with an attached hook for force and motion studies. This wood block measures approximately 6" x 3" x 1.25" and weights about 5.75 ounces.
To understand the relation between friction and smoothness of materials consists of three wooden blocks measuring approximately 3-15/16″ L x 2- 3/4″ W with hooks. The first block has a polished side, the second has a sandpaper side, and the third has an aluminum side. Complete with the polished wooden base measuring 14″ L x 2-3/4″ W.
To illustrate the concept that friction depends on the nature and smoothness of materials. The kit consists of a glass mirror with sandpaper affixed to one side and two wooden blocks, one with a hook and the other with an eye. The latter block has a mirror cemented to one face. Both static and sliding frictional forces between different surfaces…
To Study the effects of friction using 4 different surface materials on a board Includes surface board, hooks and wooden blocks, With instruction manual.
To ex plain bas ic concepts of electronics. High quality solder less breadboard Easy to build and learn Symbolic representation of components Color coding chart to read resistor values This Kit introduces students to Ohm's Law, resistors, capacitors, semiconductors and transistors. T his kit includes a breadboard on base, LEDs (Red and Green), capacitors, resistors, switches buzzer, transistors (NPN and…
General purpose student bench meters with full-scale accuracy of ±2.5% and overload protection. Additional features: large 3" scale, external zero-adjust calibration, and fully enclosed plastic case with inclined meter face. -500-0-500 µA (20 µA).
A set of 6 glass spherical mirrors with back surface slivering. Three convex and three concave mirrors, all of 50mm diameter. Focal lengths are: 60mm, 100mm, 200mm, -60mm, -100mm and –200mm. Ages 13+
Gyroscope with Gimbal Cradle is an excellent, inexpensive apparatus, which is used to explore the mysteries of precession, inertial guidance, gyroscopic compasses, and stabilization. It is precision machined and balanced and runs smoothly with little vibration. Provided with pull string with handle, weight set, and support hook. A pendulum mounting is also supplied that can be used for investigating the…
Molded body with a central well for additional masses. A hole in one end of the body enables a cord to be attached. Dimensions: approx. 13 x 5 x 3.5 cm.
This durable carriage has a one-piece high-impact plastic body. The machined aluminum wheels and axles are mounted on hardened steel cone bearings for minimum friction and long life. Designed to be used with all types of inclined planes. 5 3/4” L. Ages 13+
A simple, effective apparatus demonstrates the heat conductivity of various metals. Four metal bars (Copper, Aluminum, Brass, and Steel) are mounted on a base with a hole for suspension. Every metal bar has the same cross-sectional area and its conductivity value is marked on the back of the base. The sensitive temperature indicators are attached to the front of each…
To observe heat transfer under different conditions by measuring the temperatures of the insulated containers before and after connecting them with the metal bar. Consists of two insulated containers, two thermometers, and a metal bar and an instruction manual.
Hero’s Engine demonstrates the principle of jet propulsion. The apparatus consists of a small Erlenmeyer flask with a rubber stopper and two tubes with tangentially oriented jets. A collar is provided around the flask to hang it above a heating source. When water boils inside the flask, steam escapes the jets and the flask spins.
Set consists of seven polished brass weights and two black enameled weights with flat countersunk bottoms. Each weight is accurately adjusted and the value is clearly indicated. Individual masses are as follows: 1 x 10 gm, 2 x 20 gm, 1 x 50 gm, 1 x 100 gm, 2 x 200 gm, 1 x 500 gm, 1 x 1000 gm.
Black Painted weights have a non-movable hook on the top. Bottoms of the weights are recessed and contain a weight below the bar allowing weights to be hung from each other. The weight set includes one each of 10 gm, 50 gm, 100 gm, 500 gm, and 1Kg. Two each of 20 gm & 200 gm. In plastic molded box.
These black-painted weights have a non-movable hook on the top. Bottoms of the weights are recessed and contain a bar allowing weights to be hung from each other. Grades 3+
This kit shows you how to make a scale to weigh many household objects by use of Hooke's Law. Comes with a tape measure, a set of colorful plastic hex weights, a highly accurate special spring, and a detailed activity guide. Ages 7+.
The set includes a basic jack stand with the plunger and the main cylinder, four smaller cylinders, and a set of connecting hoses and valves. Smaller cylinders can be easily connected to a basic jack stand with a large main cylinder. Students can lift a heavy object, such as a stack of books, by applying a small amount of force…
Demonstrates the difference in thermal conductivity of two different materials. The kit consists of two identical blocks, one made of aluminum and the other made of plastic. When an ice cube is placed on aluminum it turns into the water in seconds, while on a plastic block, it melts slowly. The aluminum block has a larger heat capacity and a…
With a built-in length and angle scales. Metal construction, the plane is 60cm long and adjusts from 0° to 45°. With an adjustable pulley, roller, cord, and weight pan.
To investigate acceleration, friction, gravity, and free-fall experiments. The inclined plane folds easily for storage with a special hinge, clamps to 45°, and includes a protractor and pulley. All-aluminum construction supplied with Hall’s carriage, pulley, weight pan, a solid aluminum plane, and accessories, With detail & illustrated instructions.
The apparatus has been specially designed to perform experiments on force and acceleration. 1.2 m long aluminum track has a spring-based force mechanism mounted permanently at one end. The spring mechanism produces force using a multi-position trigger. Determine acceleration speed and distance attained by applying a variable force. The track is mounted on three plastic feet. The apparatus comes with…
For investigating the nature of mass and the distinction between mass and weight. Two metal trays 130 x 55 x 23 mm are joined together with two spring steel strips of 23 mm width, the distance between the trays being 215 mm. One tray is drilled to accept 3 equal cylindrical masses. The other tray can be clamped to a…
To study the motion and behavior of gas molecules, works on 9 to 12 V DC, vibrates a small platform inside a transparent tube, which further vibrates steel balls inside the tube. Includes steel balls and two floats.
Operates on 1.5 to 6 VDC. Lifts up to 3500g. With the current direction indicator for the study of the magnetic field. Dimensions: 12 x 12 x 4cm. Weight: 14oz. Ages 10+
Laser Reflection and Refraction Tank demonstrates the principle of reflection and refraction. The clear circular acrylic tank has a circular scale graduated on the white base of the tank, making it easy to measure angles. Adjust the pivot-arm mounted laser to any angle along its full 360° range and measure the angle of reflection or refraction. Rotate the laser and…
Consisting of a galvanized iron box of 130 mm sides. The vertical faces are blackened dull, blackened bright, white and polished respectively, with a tubule at the top for the thermometer. Supplied with a thermometer.
A Robust light box in matt black finish with a 12 V 24 W axial filament lamp with flexible leads. One end of the box takes a cylindrical convex lens in an adjustable sliding mount to enable production of convergent, parallel or divergent beams. Complete with accessories which consist of: 5 Plastic blocks, one rectangular, One semicircular, One equilateral prism…
A simple kit that helps explain to students the principle of reflection and refraction. Using mirrors, lenses, acrylic prism sets, and a ray box, light can be reflected and refracted in different ways. The acrylic prism set includes a triangular, half-round, double convex, and rectangular prism and two double concave prisms all packed in a wooden storage box. A Newton…
A high-quality apparatus to determine precisely the co-efficient of expansion of various metals. An aluminum channel carries a 60 cm long metal rod enclosed in a heating jacket having three nipples for water intake, water outlet, and thermometer insertion. Dial indicator is a precision instrument sensitive to 0.01 mm/division and is securely mounted. As the apparatus works with hot water,…
Compact loupe magnifiers. Markings in both inches and centimeters for easy measuring. Fold flat for storing when not in use. Sturdy plastic frame. 1.25" x 7.8" when folded flat.
Understanding the principles of physics that occur on a roller coaster has become easier. This triple play apparatus consists of three tracks, one straight down, one with one loop, and the third with two loops. All three have different straight-up track lengths. At the end of each track is a catch sack to prevent losing the ball. The straight track…
To demonstrate the conservation of energy, conservation of momentum, and projectile motion. Consists of a metal track to drop a steel ball, and a circular scale for measuring the angle at which the ball drops. Includes two steel balls and instructions. Size: approx. 110 cm L.
To illustrate how electric signals are converted into sound in loudspeakers. This kit can also be used to explain electromagnetism, the interaction of magnetic fields, and the mechanical amplification of sound. Comes with a companion guide. Grades 6+
The set consists of two plastic, 10cm-diameter hemispheres. Each half has a wooden handle firmly attached to it. One of the hemispheres has a raised edge to hold a rubber seal, while the other hemisphere has a stopcock for attaching to vacuum tubing. Join the hemispheres, hook them up to a vacuum pump, and evacuate the air inside the hemispheres.…
The transparent acrylic chamber contains iron filings. Chamber also has an internal tunnel into which a bar magnet can be inserted to demonstrate a magnetic field pattern. Other shaped magnets can be investigated by positioning their poles near one side of the chamber. With a Cylindrical magnet.
Consist of a closed transparent box with a transparent tube through the center. The box contains iron filings and silicon oil. When one or more cylindrical magnets are inserted into the central tube, the filings are attracted and lined up along the field lines in all dimensions. With Cylindrical Magnet.
A quick and clean way to visualize magnetic fields. The unit is a transparent acrylic case that holds iron filings in a fluid of proper viscosity. The unit can also be placed on an overhead projector for classroom demonstration. Unit measures 8”x 4-1/2” x 3/8”. 11oz. Ages 10+
A kit of magnets and accessories in a storage tray. Contents : One Horseshoe magnet, 100 mm, with keepers. Two ceramic bar magnets, 75 mm long. Three ceramic ring magnets, 38 mm diameter. Two plotting compasses clear on both sides, 19 mm diameter. One lodestone specimen. One pack Iron Filing. One each strip of Iron, Aluminum, Zinc, and Copper metal.
Strong spherical ceramic magnets. Each marble has two hidden poles for students to reveal with experiments. Can be used alone or with magnetic wands to study the properties of magnets. 5/8" diameter. Ages 7+
The Random Oscillating Magnetic Pendulum (ROMP) is a popular desktop toy. It consists of a pendulum, with a small magnet attached to the end, which can swing freely over a metal base. On the base, there are nine numbers of strong, disc-shaped magnets, which act on the pendulum with either an attractive or repulsive force. When the pendulum is displaced…
Strong Ceramic magnets sealed in unbreakable colorful plastic cases. The North and south poles are located on opposite faces for ease of use. Can be used to determine if an object is magnetic. A pair of magnetic wands can be used to demonstrate attraction and repulsion between poles. The wand measures 7.5" x 1". Ages 7+
