Know someone who loves to tinker with gadgety things? Who would love to make a motorized bubble maker or take a plastic bottle and make a motorized "one-wheeler" out of it? Here's the book for you. It has great pictures, lists of materials and step by step instructions on how to make project after project. You explore land machines, water machines, air machines, spinning machines, bizarrro machines, and motors all the way around. A wave machine perhaps? This is the perfect book for kids who love to see how things work and to make their own with their own two hands. 192 pages Ages 9-13
