4M Potato Clock Review
4M Potato Clock Feature
- This kit contains a digital clock, and the instructions and everything you need (minus the spuds) to run it
- Does not include potatoes
- Watch your child's delight and sense of accomplishment with the clock they create
- Turn the kids onto the notion of leaving a smaller carbon footprint
- No batteries required
7 years & up. 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.
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