scarab beetle

scarab，Stress relieving toys圣甲虫，解压玩具 "I upgraded to use metal fittings; without them, it breaks when dropped, and I'm already tired of it. Two pieces each of 1mm and 1.5mm shafts, two bearings with an inner diameter of 1mm, an outer diameter of 3mm, and a thickness of 1mm."升级了用五金件，不用五金件掉地上就坏了，都没耍腻歪了1mm 1.5mm轴各两根 内径1mm外径3mm，厚度1mm轴承两个