There are several versions of spinners with “dual-bar,” “tri-bar,” and “quad-bar.” Each one comes with the appropriate amount of bearings for the protruding sides. Or, if you own a 3D ...

(For those still not familiar with them, fidget spinners -- which are also known as tri-spinners or hand spinners -- are colorful, hand-held, pocket-sized toys made of heavy plastic or metal.