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Build a Better Mousetrap: Make Classic Inventions, Discover Your Problem-Solving Genius, and Take the Inventor's Challenge | Young Adults > Young Adults |
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eBooks - Categories - Authors - Ruth Kassinger eBook
Ruth Kassinger eBook
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Build a Better Mousetrap: Make Classic Inventions, Discover Your Problem-Solving Genius, and Take the Inventor's Challenge | Young Adults > Young Adults |
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Ruth Kassinger Ruth Kassinger is the author of Build a Better Mousetrap: Make Classic Inventions, Discover Your Problem-Solving Genius, and Take the Inventor's Challenge. |
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