Junk drawer engineering : 25 construction challenges that don't cost a thing /

Children love challenges, especially ones that involve hands-on experimentation and friendly competition. Can they build a bridge using only pasta and glue, one that a toy car can drive both under and over, and is sturdy enough to carry a considerable weight? Can they construct a "roller coaste...

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Main Author: Mercer, Bobby, 1961-
Format: Book
Published: Chicago, Illinois : Chicago Review Press, [2017]
Physical Description: x, 212 pages : illustrations ; 23 cm
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St. Cloud Public Library J 620 Mer
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Saint Michael Public Library J 620 Mer
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