AMERICAN Scientific, LLC
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Stopwatches & Timer > TWO POTATO CLOCK

Make your Fruits and Vegetables work for you. By inserting the zinc and copper strips into the potatoes you will create an oxidation/reduction reaction that is converted to low voltage. Enough power is created to operate the simple LED clock on the base. Comes with Teachers Guide.

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Please log in for prices and orders. Product # Product Qty Price 9456-50 TWO POTATO CLOCK