This kit contains a variety of mechanisms to help a robot builder learn about the mechanics of motion. Use them to see examples of worm gears, lead screws, universal joints, bevel gear reductions and rotary cams. Features Create complex robot mechanisms. Learn advanced mechanics principles. Kit Contents (2) Hand Crank (1) Lead Screw Nut (4) Lead Screw Segment (2) Lead Screw Mounting Bracket (2) 16-tooth Bevel Gear (2) 32-tooth Bevel Gear (4) Worm Wheel (4) Worm Gear (2) Drop Off Cam (2) Cam Follower (2) Cam Follower Mounting Bracket (2) Universal Joint
