Salt Water Spider

Salt Water Fuel Cell Spider is a wonderful plastic spider that is powered by just ordinary salt water. Fill it up and watch its eight legs come to life before your eyes! Learn about renewable energy: Let your child become the engineer and design his or her own product powered by nothing but ordinary salt water with this educational toy. This spider inspires your child to learn more about the nature of the battery and how to make one. No batteries required: The magnesium metal sheet inside the spider is a consumable item, one sheet can have the car run for about 4 hrs continuously. The kit included 3 refills.


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