1456737
9780613031981
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Encourages and fosters the spirit of invention by describing how to build such gadgets as a homemade motor, a hat with a fan in it, and a motorized shoe buffer.Carrow, Robert is the author of 'Put a Fan in Your Hat! Inventions, Contraptions, and Gadgets Kids Can Build' with ISBN 9780613031981 and ISBN 0613031989.
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