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Toysmith 4 M Potato Clock # 4568
- List Price: $11.99
- Your Price: $10.47
- You Save: $1.52
- Be a scientist as you discover how to power the digital clock with potatoes
- Potatoes NOT included
- A unique experimental kit that inspires young scientists
- 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.
7 years.