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Intro To Simple Machines: Gears Grades 3-5 |  Number: 78630 |  Price: $39.99   Where to Buy       Add to Wish List  Product Features in: Español | Français | Deutsch Builds 7 different replicas of real-world models, one at a time. Set includes color-coded building instructions with real-life photos and key facts for each model. Models demonstrate 2 spur gear examples, 2 crown gear examples and 2 sprocket gear examples. 198 K'NEX Rods and Connectors support 2-3 students working as a team. Come packaged in a strong plastic storage case with movable dividers and transparent lockable lid. Includes Teacher Guide on CD! Making work easier W = Fd (Work equals force times distance) Ideal Mechanical Advantage Actual Mechanical Advantage Gear Ratios Spur Gears Crown Gears Mechanical Systems Energy Transfer Chain Driven Systems your K'NEX builder may also enjoy... Intro To Simple... Intro To Simple Machines:... Simple Machines Deluxe

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