Blinkers and Buzzers

by Bernie Zubrowski

Book Overview

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... This description may be from another edition of this product.

• Format: Paperback
• Language: English
• ISBN: 0688099653
• ISBN13: 9780688099657
• Release Date: May 1991
• Publisher: HarperCollins
• Length: 111 Pages
• Weight: 0.60 lbs.
• Dimensions: 0.3" x 7.1" x 8.9"
• Age Range: 9 to 12 years
• Grade Range: Grades 4 to 7