4M Science Museum Potato Clock Kit
Description
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; Size H21.5, W17cm. For ages 8 years and over. WARNING(S): Not suitable for children under 3 years old. Only for domestic use. To be used under the direct supervision of an adult.
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