Guaranteed more than 1 minute 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. Ideal for people trying to quite nail biting, smoking, leg shaking and all type of attention disorder issues. Ergonomic curve shaped design for hand comfort and long term usage. Simply flick and spin for hours with one or two hands! Material : Plastic+ Metal Style: Special Shape Fidget Spinner On Jun-23-17 at 14:11:44 PDT, seller added the following information: