Retail packaging for the Potato Clock science kit. The package illustrates two sets of electrodes inserted into two potatoes to power a small digital clock.
Components of the Potato Clock experiment.

Potato Clock kit

Regular price $16.95
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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. Detailed assembly instructions included.

No batteries required.