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Prolab Scientific

Physics

Electricity

Two Potato Clock

Printable version

Two Potato Clock

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Generate electricity from potatoes? With the educational Two-Potato Clock, it's a snap. Just push zinc and copper electrodes into 2 potatoes. The chemical reaction that occurs powers a digital clock. A fascinating, simple kit for children of all ages. (recommended 4+) Other fruits and vegetables will power the clock, too. Try oranges for example! Potatoes not included.