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Charles Law

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72-Piece GEARS Metal Kit 10 Tooth Steel Sprockets (2)#25 Pitch Nylatron Chain Extra Heavy Duty TTS Tough Traction System Heavy Duty Drive System Components

Industrial Service Gearhead Motor 19.7:1 Competition Gear Head Motor 19.7:1 Gear Head Motor 65.5:1 Encoder Gear Head Motor 65.5:1 High-Torque Gear Head Motor 218.4:1 Competition Motor/Controller Combination

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Gears Solar Tracker Trebuchet Newton's Cart DC Motor Dynamometer Mobile Chassis Pneumatic Test Stand Pit Boss, An Engineering Challenge Game Autonomous Robot Easy to Build Robot

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