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Intro To Simple Machines:levers & Pulleys Grades 3-5 |  Number: 78610 |  Price: $39.99   Where to Buy       Add to Wish List  Product Features in: Español | Français | Deutsch Build 8 different replicas of real-world models, one at a time. Set includes building instructions with real-life photos and key facts for each model. Models demonstrate 1st, 2nd and 3rd class levers along with fixed, movable and combination pulley systems. 178 K'NEX Rods and Connectors support 2-3 students working as a team. Comes packaged in a strong plastic storage case with lockable lid. Includes Teacher Guide on CD! Making work easier W = Fd (Work equals force times distance) Effort Arm, Resistance Arm, and Fulcrum Classes of levers Ideal Mechanical Advantage Actual Mechanical Advantage Fixed Pulley Movable Pulley Block and Tackle Mechanical Systems your K'NEX builder may also enjoy... Intro To Simple Machines:... Intro To Simple Machines: Gears

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