Try it yourself. You'll need a friend or parent to spin the wheel, and be careful to keep your fingers away from the spokes. If you've ever seen a toy gyroscope, you know that it's a device that ...

Capitalizing on that fad is the Spinner Cube, a fidget toy on Kickstarter that's literally taking everything that you love about fidget spinners and rolling it into one. SEE ALSO: Stay grounded on ...