Browse editions

Current edition
Build a Better Mousetrap: Make Classic Inventions, Discover Your Problem Solving Genius, and Take the Inventor's Challenge by Ruth Kassinger

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

Ruth Kassinger

128 pages • paperback

nonfiction childrens science technology medium-paced
Other editions (0)