The Perfect Stress Reliever!!!
Hybrid Ceramic Center Bearing with Si3N4 Balls and 3 Steel 608 Counterweight Bearing Weights to Increase Centripetal Force and Spin Time.
Feel Calm & Focused - Great for Anxiety, ADHD, Autism, Quitting Bad Habits, Staying Awake On Long Car Drives etc. Perfect Size Suitable for Adults and Kids Over 10 Years Old