Make 50 Wild and Wacky (but Useful!) Contraptions

Making crazy devices that perform simple but useful tasks has never been more fun! Make 50 Wild and Wacky (but Useful!) Contraptions shows you how to create the most mazelike contraptions imaginable. Inside you'll discover:The key players in the world of contraptions: Rube Goldberg, Heath Robinson, and Robert Storm PetersenThe different components that go into making a contraption, and how to build themThe scientific, mechanical, and engineering secrets behind each of the componentsHow to build working models that demonstrate all of the techniquesFinally, and most importantly, Make 50 Wild and Wacky (but Useful!) Contraptions contains 50 easy-to-follow projects that show you how to make your own fiendishly complicated machines.