Science Museum Potato Clock. Become a scientist as you discover how to power this clock using potatoes with Science Museum Potato Clock. Experiment to find out what other substances will power the clock - you'll be amazed at the variety of results you find using household liquids and objects!
Contents: Contains digital Clock (6.5cm in length) with wires, 2 pots, connecting wire, transparent tapes, copper and zinc strips and detailed instructions.
Age 8+