The versatile 3-meter tape measure is perfect for a wide variety of applications. The bright yellow steel tape retracts with a simple push of a button. It also features a high-impact plastic case with a belt clip and loop handle. The tape is marked in both English and metric. Ages 7+
Durable, high-quality molded polypropylene cube-shaped test tube racks. The space-saving design has different hole diameters on each of the four sides, including large holes for 30mm diameter tubes. (30mmD, 11.5mmD, 12.5mmD, 16mmD) Available in five colors. Easy to assemble for use and disassemble for storage. Ships flat. Ages 7+
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Nutrient Agar is used as a culture medium to cultivate various household bacteria. Our bag of dry nutrient agar will make 500ml of agar (1/2 liter). Detailed agar preparation instructions included. This is enough agar for 20, 90mm Petri dishes. Ages 7+
Nutrient Agar is used as a culture medium to cultivate various household bacteria. Our 225ml Heat & Pour bottle is very convenient and easy to use. Just heat the agar in the microwave and pour it into your Petri dishes. Allow the agar to set up and you’re ready to go. The is enough agar for 10, 90mm Petri dishes.…
Students can demonstrate univalent and multiple bonds by linking the atoms in this Organic Structure Model set represented by colored plastic balls. In addition, with the included springs as links, they can recreate flexible bonds and ring compounds. Comes with instructions, ten 2” long springs, and 54 colored plastic balls: 10 black (carbon); 2 blue (nitrogen, 1 ¼” dia.); 28…
