On your mark, get set, go! Whether it's on land, at sea, or in the air, if there's a vehicle that moves--people will race it. Build your own racing machines, provide the power, and figure out the science of how to gain maximum performance. Ten different activities will challenge your quest for speed as you learn how a rocket engine works, assemble your own hovercraft, give your dragster more traction, and fly straighter and faster! 36-page booklet. Ages 8+.
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