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Mega Cyborg Hand

$44.99
Build your own awesome, wearable mechanical hand that you operate with your own fingers. No motors, no batteries — just the power of air pressure, water, and your own hands! Hydraulic pistons enable...
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Wind Power

$44.99
Build and experiment with a real, working 3-foot tall wind turbine to learn how wind is one of the most promising sources of clean, renewable energy available today. Single-piece blade construction...
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