for 4 Year olds from Thames and Kosmos




Build your own simple solar thermal updraft towers Collect the sun's energy and use it to spin five colorful turbines Learn about thermal updrafts and solar thermal energy. Solar thermal energy refe...
Age: 10 years - 12 years
$19.99
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Construct parabolic solar cooker Heat water or melt chocolate Learn about solar thermal energy New Sparking lifelong love of science Construct a parabolic solar cooker with 14 interlocking foil piec...
Age: 8 years - 12 years
$19.99
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