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Making Machines with Levers
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What Do You Know about Simple...
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Simple Machines: A Sesame...
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Screws Keep Things Secure:...
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Micah Rauch (Illustrator)
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Screws
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Franny's Fix-It Shop
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Curious Pearl Tinkers with...
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Anthony Lewis
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Janice VanCleave's Machines:...
Janice Pratt VanCleave
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Raising a Bag of Toys: Pulley...
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Keep It Simple, Rapunzel!:...
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C?mo Funcionan Las Poleas ...
Jim Mezzanotte
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Fred Flintstone's Adventures...
Mark Weakland
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Making Machines with Ramps...
Chris Oxlade
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Machines We Use
Sally Hewitt
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Holding a Door Open: Wedge vs...
Mari C Schuh
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La Fortaleza de la Calle...
Lois Spangler,
Christina Wald (Illustrator)
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Buen Trabajo: Herramientas...
Dona Herweck Rice
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eBook from $7.99
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Screws
Chris Oxlade
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C?mo Funcionan Las Ruedas Y...
Jim Mezzanotte
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Machines and How They Work
Harvey Weiss
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Simple Machines
Anne Horvatic,
Stephen Bruner (Photographer)
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The simple facts of simple...
Elizabeth James,
Carol Barkin
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