Spiral Wheel Spinner

This is part spinner, part wheel. It uses a 3" O-ring as a tire and is a good spinner, but is also fun to roll across the floor or desktop. Leaning at an angle will make it roll in a circle back to you. And the spiral is flexible enough to act like a spring, so it even bounces. Uses 608 bearing without seals and lube.

Update 3-5-17- Added a 3-arm version of the 3" wheel. Added 3 and 4-arm version of 4" wheel, added a solid center wheel that takes a size 223 o-ring (1 7/8" O.D., 1 5/8" I.D., 1