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Pulleys help us lift and lower things with ease! This title uses simple text and diagrams to explain the functions of these simple machines, and an experiment lets readers try out their own pulleys! Beginning readers will be pulled into this title that explores the historical and modern uses of these helpful machines.
|Written by||Joanne Mattern|
|Fiction / Nonfiction||Nonfiction|
|Format||Reinforced Library Binding|
|Trim Size||6 1/2 x 9|
|Grades||1 - 2|