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Product Info
You can put away the batteries. This clock is powered by nature. A classic "alternative energy" device that uses potatoes, lemons, and more to power an LCD clock. Experiment to see what other substances will power the clock and youve got a great science fair idea! An educational lesson about batteries, electricity and voltage. For ages 8 and up.
What common materials power the LCD clock? Use the potato clock to test items around your house for their ability to create electricity. Try apples, onions, different sodas, meatloaf. You get the idea. Let us know what you discover.
