Readers won't have to disassemble their favorite toys to discover what makes them work. This book explores electric, magnetic, and motion-powered toys from desi
Did you know that gears can be used to make toys move? Gears are wheels with teeth around their edges. Find out more in How Do Toys Work?, a Toys book.
If you've ever wondered how an Etch A Sketch writes on its gray screen, or why a boomerang comes back, or how an R/C car responds to a radio controller, now you
Readers won't have to disassemble their favorite toys to discover what makes them work. This book explores electric, magnetic, and motion-powered toys from desi