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

Build a Better Mousetrap: Make Classic Inventions, Discover Your Problem-Solving Genius, and Take the Inventor s Challenge Kassinger Ruth Wydawca: John Wiley & Sons Inc Data wydania: 2002 ISBN: 9780471395386 Liczba stron: 128 Format: 280 x 210 x 7 Rodzaj oprawy: Paperback / softback Opis produktu: A book of projects on inventions of all kinds, for kids ages 8-12. * A follow up to Reinvent the Wheel (0471 39539 0), this will present more projects based on classic inventions. * Projects are fun and encourage hands-on learning as well as problem solving.