Green Science from 4M produce environmentally friendly power sources that will definitely ignite children's interests in science and the environment. Green Science kits demonstrate the basic principals' of electricity and mechanics in a safe, fun and imaginative way. Children will engage with the science without it being school like or hard work, helping them to fully understand the importance of protecting the environment around them and alternative sources of energy. No batteries are required for this working clock. Be a scientist and discover how to power this digital clock using potatoes. Be amazed as you experiment with other substances to power the clock. Suitable for children aged four and over. Box Contains 1 x Digital Clock Connecting Wires
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