Forces and Motion Engineering: Hands-On STEM Projects for Kids Ages 7–12: Build, Test, Measure, and Improve Cars, Air Pressure, Flight, Boats, and Water-Lifting Systems (Think Like an Engineer)
$14.35
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Forces and Motion Engineering: Hands-On STEM Projects for Kids Ages 7–12: Build, Test, Measure, and Improve Cars, Air Pressure, Flight, Boats, and Water-Lifting Systems (Think Like an Engineer)
$14.35