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Great Gizmos Green Science Potato Clock

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£11.99 Best Offer by: amazon.co.uk See more offers

Brand: Great Gizmos

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  • Product Details

    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'll be amazed! Caution: High Voltage Inspiration and Fun! Contains digital Clock with wires, pots, connecting wire, transparent tapes, copper and zinc strips and detailed instructions. Age 8+