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Unknown, 2015
Current format, Unknown, 2015, , No Longer Available.
Unknown, 2015
Current format, Unknown, 2015, , No Longer Available. Offered in 0 more formats
"A hands-on approach introduces young scientists to screws. Science theory and practical, fun projects teach the physics and the technology behind this simple machine. Important science curriculum is explained through historical and contemporary examples of screws. Step-by-step projects range from the simple to the more challenging"--Provided by publisher.
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