Potato Clock - Science Kit Experiment
$19.99
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You May Know Potatoes As A Good Source Of Potassium, But Did You Know They Can Be Used To Power An Alarm Clock. 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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