Build a Better Mousetrap Make Classic Inventions, Discover Your Problem-Solving Genius, and Take the Inventor's Challenge

ISBN-10: 0471395382
ISBN-13: 9780471395386
Authors: Ruth Kassinger
List price: $19.00

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A follow-up to 'Reinvent the Wheel', this is a science volume of projects on classic inventions of all kinds, for children ages 8-12.

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Binding: Paperback Publisher: John Wiley & Sons, Incorporated Number of pages: 128 Dimensions: 8.50" wide x 11.00" long x 0.25" tall Weight: 0.990 lbs. Language: English