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OverviewBig or small, pulleys help you move it all. You couldn't raise a flag and cranes couldn't move heavy objects without the help of pulleys. Read Pulleys to the Rescue to learn what pulleys are, how they work, and how these simple machines can save the day. Full Product DetailsAuthor: Sharon ThalesPublisher: First Facts Books Imprint: First Facts Books Dimensions: Width: 20.80cm , Height: 0.80cm , Length: 21.00cm Weight: 0.222kg ISBN: 9780736867481ISBN 10: 0736867481 Pages: 24 Publication Date: 01 January 2007 Audience: Children/juvenile , Children / Juvenile Format: Hardback Publisher's Status: Active Availability: In Print ![]() This item will be ordered in for you from one of our suppliers. Upon receipt, we will promptly dispatch it out to you. For in store availability, please contact us. Table of ContentsReviewsAuthor InformationTab Content 6Author Website:Countries AvailableAll regions |