product description:
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!
Kit contains:
Digital clock with wires (Size of LED display: 45x20mm)
Pots
Connecting wires transparent tapes
Copper and zinc strips
Detailed instructions
You will need to supply your own potatoes, etc. ;-)
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