SOLAR POWER ANIMAL ROBOT SET
Your kids can understand transformation process from solar energy to electric energy, and from electric energy to kinetic energy, using this kit.
US $17.00 Shipping price 10$
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=250967281009
Your kids can understand transformation process from solar energy to electric energy, and from electric energy to kinetic energy, using this kit.
US $17.00 Shipping price 10$
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=250967281009
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