Overview
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 levers and uses simple language and labeled photographs to explain the scientific principles behind their use.The book, Levers (How Toys Work) [Bulk, Wholesale, Quantity] ISBN#9781432965860 in Paperback by Sian Smith may be ordered in bulk quantities. Minimum starts at 25 copies. Availability based on publisher status and quantity being ordered.
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