cover image of The Robot Book

The Robot Book

Build & Control 20 Electric Gizmos, Moving Machines, and Hacked Toys · Science in Motion

by Bobby Mercer


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How to use reuse and recycle components and supplies to build a variety of devices

The 20 easy-to-build robots in this project book can be constructed for little or no cost using common household objects and repurposed materials. From learning how to turn a toothbrush, an old cell phone or pager, and scrap wire into a Brush Bot, or how to hack a toy car to hotwire a Not-So-Remote Bot, each hands-on project contains a materials list and detailed step-by-step instructions with photos. Explanations of the science and technology behind each robot—including concepts such as friction, weight and mass, center of gravity, kinetic and potential energy, electric circuitry, DC vs. AC current, and more—are also included.

Publication Details

Chicago Review Press
Publication Date:
Science in Motion


  • Kindle Book
  • OverDrive Read
  • Adobe PDF eBook 5 MB
  • Adobe EPUB eBook 5.9 MB

Bobby Mercer (Author)

Bobby Mercer has been a high school physics teacher for more than 20 years. He is the author of Junk Drawer Physics, The Flying Machine Book, and The Racecar Book. He lives outside of Asheville, North Carolina.

More about Bobby Mercer
The Robot Book
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