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Age 4-8
Grade PK-2

Lloyd G. Douglas

What Is a Pulley?

Paperback (Childrens Pr Sept. 1, 2002)
Introduces pulleys and how they work to raise flags, as well as heavy objects.
Series
Welcome Books: Simple Machines
ISBN
0516240242 / 9780516240244
Pages
24
Weight
1.6 oz.
Dimensions
7.0 x 0.2 in.

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