Potato Clock - Green Science Electrochemical Cell by 4M
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Green Science Potato Clock Kit
from KidzLabs® and 4M®
What?! No Batteries?! That's right! Run a clock off of 2 potatoes!! Finally, a chance to play with your food! -- Learn about electricity and chemical reactions in an innovative way. This unit is designed to demonstrate the principle of an electrochemical cell. 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. -- You can also try other fruits, vegetables and beverages to see what works like: Apples -- Avocadoes -- Bananas -- Cucumbers -- Lemons -- Limes -- Oranges -- Salt Water -- Soda -- Tomatoes -- the possibilities are endless!
- Digital clock with wires
- Connecting wires transparent tapes
- Copper and zinc strips
You will need to supply your own potatoes, etc.
For children ages 8 and up.
Not for children under age 3 years: small parts: choking hazard