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Be a scientist as you discover how to power this digital clock using potatoes and NO batteries. Experiment to find out what other substances will power the clock.
Contains digital clock with wires, pots, connecting wire, transparent tapes, copper and zinc strips and detailed instructions.
Age: 8+ years. Contains small parts.
Contains digital clock with wires, pots, connecting wire, transparent tapes, copper and zinc strips and detailed instructions.
Age: 8+ years. Contains small parts.