主权项 |
1. A rotating device, comprising a disk having attachment devices on at least a portion of its circumference and a radially extending slot for mating with another identical disk for making a first pair of disks and a second pair of disks so that a first disk of both pairs of disks is positioned in a first plane and a second disk of both pairs of disks is positioned in a second plane, wherein said first disks of each pair contact one another at a point on their respective circumferences and said second disks of each pair contact one another at a point on their respective circumferences so that each pair of disks rotate with respect to each other, wherein said attachment devices are capable of detachable attachment and are selected from the group comprising magnets, zippers, and hooks and loops. |