Gyroscope ball bearing

The most precision designed 3d printed fidget toy gyrocoscope ball bearing in the market.
Tiny ball bearings and near perfect balance keep the gyroscope spinning for several minutes.
Use a string or T-handle to start your gyroscope spinning. This fun little finger strength fiddle toy is so adorable. 
for more information and models:https://www.thingiverse.com/thing:1366605