Magnetic Gear

This a magnetic gear that uses cheap household magnets, bearings, and fasteners to work.

Assembly and Demonstration: https://www.youtube.com/watch?v=GbQCNUltI1g

Hardware to Assemble:
* 6082RS Bearings: https://amzn.to/2YJi1IK
* Permanent Magnets: https://amzn.to/2ywS7xd
* 8-32 1/4" Machine Screws: https://amzn.to/2SULXhI

Magnetic gears have some unique advantages/disadvantages over regular gearing.
* Very quiet and low friction since they don't require contact between input/output
* Decoupling between input/output if the torque limit is exceeded
* Generally only used for very low torque applications

If you make it post a picture!