Book Description
Traffic lights, telegraphs, and burglar alarms are just a few of the exciting battery-powered models that can be built from this involving book. Fifty creative experiments show how and why these devices work while providing hours of hands-on learning fun. A Boston Children's Museum Activity Book.
--This text refers to an out of print or unavailable edition of this title.
Ingram
With some easy-to-find materials and this fun-filled book, children can turn batteries, bulbs, and wire into traffic lights, telegraphs, burglar alarms, and 12 other electrical devices. An 50 imaginative experiments provide an action-packed way to learn more about electricity. A Boston Children's Museum Activity Book. Black-and-white illustrations.
--This text refers to an out of print or unavailable edition of this title.
