Seesaws, Nutcrackers, Brooms: Simple Machines That Are Really Levers

Seesaws, Nutcrackers, Brooms: Simple Machines That Are Really Levers

by Christopher Lampton, Carol Nicklaus
     
 

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Product Details

ISBN-13:
9781878841438
Publisher:
Lerner Publishing Group
Publication date:
08/01/1994
Series:
Gateway Simple Machines Series
Pages:
32
Lexile:
850L (what's this?)
Age Range:
7 - 9 Years

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