Potato Clock (Green Science)
Author(s): JohnCo
Be a scientist as you discover how to power this digital clock using potatoes. No batteries! Experiment to find out what other substances will power the clock - you'll be amazed. Kit contains digital clock with wires, pots, connecting wire, copper and zinc strips and detailed instructions. Ages 8+.
Product Information
General Fields
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- : 4M Industrial Development Ltd
- : 4M Industrial Development Ltd
- : books
Special Fields
- : JohnCo
- : -