Here is what the maker has to say about the product
“Fidget Spinner comes with 7-Ball Si3N4 Hybrid Cearmic Bearings, Spin smooth and fast; please chose SCLION store, others are fake!
High Performance Bearing for Extremely Fast and Long Spin Times.
Fidget Spinner Great for people with ADD/ ADHD , Autism, and Anxiety.
Use This Way: Hold Fidget 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.”
#gotitatadiscount
http://www.amazon.com/gp/product/B06X9FWS3X
OK BUY J 