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Build a working electric fan using a circuit that consists of a fan blade rotor, electric motor, LED, resistor, switch, and battery holder. Learn how motors work, the role each electronic component plays in the circuit, and how fan blades push air to make wind.
— In a January 2015 survey, four out of 10 retailers told TDmonthly that Thames & Kosmos was their best-selling brand of STEM toys.
ToyDirectory Product ID#: 36831 (added 6/29/2014)
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