Item #: TYSM4568
Price: $11.99
    Points to Purchase: 1713
    Availability: In Stock
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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? What, no batteries? Be a scientist as you discover how to power this digital clock using potatoes. Experiment to find out what other substances will power the clock! You will be amazed! Create many unusual batteries with apple, tomato, soft drinks and more! This kit contains a digital clock and the instructions and everything you need (minus the spuds) to run it. Part of the Green Science Range. Includes: Digital Clock with wires, Connecting wire, Pots, Transparent Tape, Copper and zinc strips, Detailed Instructions.