Power a water pump using solar energy or a standard battery when the sun isn’t shining. A great Green Science STEAM Powered Kids science kit you can do with friends or family. Requires one AAA battery (not included). Includes all parts needed to build the water pump, plus detailed instructions.
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$ 13.50 Select options This product has multiple variants. The options may be chosen on the product page
$ 13.50 Select options This product has multiple variants. The options may be chosen on the product page
$ 13.50 Select options This product has multiple variants. The options may be chosen on the product page