Make 50 Wild and Wacky (but Useful!) Contraptions

Impress your family and entertain your friends with these crazy contraptions that perform all sorts of awesome functions. Discover the key players in the world of contraptions: Rube Goldberg, Heath Robinson, and Robert Storm Petersen; the different components that go into making a contraption, and how to build them; the scientific, mechanical, and engineering secrets behind each of the components; and how to build working models that demonstrate all of the techniques. Step-by-step...
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Impress your family and entertain your friends with these crazy contraptions that perform all sorts of awesome functions. Discover the key players in the world of contraptions: Rube Goldberg, Heath Robinson, and Robert Storm Petersen; the different components that go into making a contraption, and how to build them; the scientific, mechanical, and engineering secrets behind each of the components; and how to build working models that demonstrate all of the techniques. Step-by-step instructions and colorful diagrams will help you construct devices like: the Hands-Free Page Turner; the Alarm Clock Dunker; the Coin-Operated Toothpaste Squeezer; the Energy-Saver Light Switch; the Bubble Bath Whisker; and 45 other wacky machines! Illus.