Simple Machines: Forces in...
Buffy Silverman
Buy from $8.51
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Screws
Kirsten Chang
Buy from $30.75
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Ancient Machines: From Wedges...
Michael Woods,
Mary B Woods
Buy from $11.43
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Hauling a Pumpkin: Wheels and...
Mari C Schuh
Buy from $10.49
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How Do Seesaws Go Up and Down...
Jennifer Shand,
Srimalie Bassani (Illustrator)
Buy from $9.95
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Simple Machines
Deborah Hodge
Buy from $8.17
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Make This!: Building Thinking...
Ella Schwartz
Buy from $9.84
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Operation Cupcake: How Simple...
Bambi Edlund (Illustrator)
Buy from $19.46
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Move It! Work It!: A Song...
Laura Purdie Salas,
Viviana Garofoli (Illustrator)
Buy from $59.86
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Simple Machines at the...
Tammy Enz
Buy from $18.65
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Wedges
Erika S Manley
Buy from $9.48
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Pulleys
Erika S Manley
Buy from $20.09
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You Wouldn't Want to Live...
Anne Rooney,
Mark Bergin (Illustrator)
Buy from $8.99
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Ramps and Wedges
Angela Royston
Buy from $39.00
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Experiments with Simple...
Salvatore Tocci
Buy from $13.00
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Sensational Science Projects...
Robert Gardner
Buy from $11.66
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What Do You Know about Simple...
Tilda Monroe
Buy from $16.45
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Wheels and axles
Michael Dahl
Buy from $13.31
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Pulleys and Gears
David Glover
Buy from $10.24
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Simple Machines: Discover...
Steve Way,
Gerry Bailey
Buy from $13.34
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Making Machines with Pulleys
Chris Oxlade
Buy from $4.98
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Levers in My Makerspace
Tim Miller
Buy from $44.61
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Marbles, Rollr Skates,...
Christopher Lampton,
Carol Nicklaus (Illustrator)
Buy from $9.98
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Machines and How They Work
Harvey Weiss
Buy from $10.00
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