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Product #: EMC0398075_TQSimple Machines: Pulley (Resource Book Only) eBookGrade 2|Grade 3|Grade 4Sale! Ships Free!
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Please Note: This ebook is a digital download, NOT a physical product. After purchase, you will be provided a one time link to download ebooks to your computer. Orders paid by PayPal require up to 8 business hours to verify payment and release electronic media. For immediate downloads, payment with credit card is required.
Two simple pages that describe pulleys and illustrate how pulleys are used to move something up and down
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