Is a wheel the same as a gear? Will a square wheel work? Could a wheel roll forever? Discover the wonder and science of wheels in Gears Go, Wheels Roll.
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Is a wheel the same as a gear? Will a square wheel work? Could a wheel roll forever? Discover the wonder and science of wheels in Gears Go, Wheels Roll.
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Add this copy of Gears Go, Wheels Roll (a+ Books: Science Starts) to cart. $70.70, new condition, Sold by Bonita rated 4.0 out of 5 stars, ships from Newport Coast, CA, UNITED STATES, published 2011 by Capstone Press.
