Be a scientist as you discover how to power this digital clock using potatoes.

• Experiment to find out what other substances will power the clock - you'll be amazed!
• Caution: high voltage inspiration and fun! Real science & real fun the two potato clock allows you to generate enough electricity to run a digital clock using potatoes! Just push the zinc and copper electrodes into the potatoes causing an oxidation/reduction reaction that is converted to low voltage.
• 4m potato-powered clock contains digital clock with wires, pots, connecting wire, transparent tapes, copper and zinc strips and detailed instructions. Does not include potatoes.
• Recommended for ages 7 and up.
• The potato clock uses a pair of ordinary spuds to power a digital clock. This kit includes a digital clock, wires and prongs; two potatoes are all that's needed to create a working clock. This kit is ideal for young science enthusiasts, and offers a valuable lesson on the transformative power of green science. No batteries required. Recommended for ages 8 and up. 

6.75 inches long

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