Potato Clock
Make your own digital clock that is powered by a potato-no batteries required! Energy is generated to power the digital clock and stopwatch that really keeps time! The clock is quick and easy to assemble using simple parts, and it will run for years. This project teaches about electrochemistry and galvanic cells. Clock also runs on any kind of juice! Set includes base unit, wire coils, 2 fluid chambers, digital display, instructions. For ages 8 and up.
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