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Gear up for a fun activity kit using motors to build ten different mechanical devices. Build a working fan, a spinning game wheel, a conveyor, train, car, and more.
-- Ideal for science fairs, you can construct and deconstruct the devices repeatedly. Step-by-step instructions are written in a colorful book along with useful facts about motors, magnets, electricity, and gears.
-- Requires 2 AAA batteries, not included.
Price: $18.95 Click here for more info.
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