Water Clock Kit
Turn water bottles into a battery to power the digital clock! Just insert the electrodes into the filled water bottles and you will have a clock completely powered by water. Included in the kit are zinc and copper electrodes along with a digital clock. Can also be used as a fruit clock! Instructions included. Ages 7+.
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Description
Turn water bottles into a battery to power the digital clock! Just insert the electrodes into the filled water bottles and you will have a clock completely powered by water. Included in the kit are zinc and copper electrodes along with a digital clock. Can also be used as a fruit clock! Instructions included. Ages 7+.