Great Toy For Fidgeters, Anxiety, Focusing, ADHD, Autism, Quitting Bad Habits, Staying Awake Ideal for people trying to quite nail biting, smoking, leg shaking and all type of attention disorder issues. Ergonomic curved shape design for hand comfort and long term usage. Simply flick and spin for hours with one or two hands! High Speed Hybrid Ceramic ball in the center to ensure the smoothest rotation and consistency. 3 Steel 608 counter weight bearing weights to increase centripetal force and spin time. 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

* Hand Spinner Fidget Spinner