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Description
Sustainable Living in the 21st Century. Build and use an alternative energy model house and 20 other energy-related devices. Learn how about energy from the sun, wind, plants and electro-chemical reactions. Discover how to transform, store and use these forms of energy with real working models. Ages 12 and up.
Battery-Operated Toy — Do not mix old and new batteries. Do not mix alkaline, standard (carbon-zinc), or rechargeable (nickel-cadmium) batteries.
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