Overview

Levers are frequently found in nature. The body's ability to move, for example, is entirely dependent on a complex system of levers. Early humans discovered that levers tremendously magnify applied force. Children who haven't yet observed this process are fascinated by it. Numerous lever-based toys provide hours of additional exploration.

ISBN-13

9780836811216

ISBN-10

0836811216

Weight

0.62 Pounds

Dimensions

9.00 x 0.25 x 9.00 In

List Price

$21.26

Format

-

Pages

32 pages

Publisher

Gareth Stevens Pub

Published On

1994-07-01



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