1. Material is Stainless Steel/Brass. it has more balance ,it could rotate long time
2.Use the professinal Ceramic Zirconia Bearing .you do not need more any maintain, do not need to add lubricating oil.
3.Wash by water directly. easy way to clear your baby
Great For Fidgety Hands, ADD & ADHD Sufferers Helps Relieve Stress
Perfect size suitable for Adults and kids
Easy To Carry,Small,Simple,Discrete and Fun,also effective for Focus and Deep Thought
Ceramic center bearing,SLA technology,laser industrial molding technology,resin materials,accompany you year by year
Use This Way: Hold spinner in one hand and use the other hand to spin it rapidly using small continuous strikes to keep it spinning indefinitely with practice,spinners can be spun using one hand only using the fingers of one hand to stop and start spinning