Wheels and Axles (How Toys Work)
Released: Aug 01, 2012
Publisher: Heinemann/Raintree
Format: Library Binding, 24 pages
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Description:
Each book in this series focuses on a type of simple mechanism and examines how it is used to make different toys work. This book examines wheels and axles, and uses simple language and labeled photographs to explain the scientific principles behind their use.
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