Spiky Fidget Roller Thing

What you'll need: 1 x 626-2RS ball bearing (OD 19mm, ID 6mm, H 6mm) 1 x M3x30 flat head screw (Head OD < bearing ID) 1 x Super glue (low viscosity) Just push the two sleeves in the main body, add the bearing with a few drops of glue and quickly fix it with the screw.