Ecomm Presents Emob 18 Balls Silver Fidget Tri Hand Spinner Toy with Brass Bearing for Every one. The feature of Fidget Spinner Toy: Made of high quality material, durable and long lasting. High speed spinning 3-6 minutes in hand or on a table top! Ideal for anxiety, concentration, autism, abandonment of bad habits, revival, Perfect to stop smoking, ADD, ADHD, Anxiety and autism in adults and children. Pretty small enough to put in your pocket, carry around. Best spinner for adults and children. Superior hardness, shockproof, more durable. High stability, you can spin on the pen! Use this way: Hold the centrifuge in one hand and use the other hand to rotate it quickly with small continuous strikes to rotate it indefinitely with practice, centrifuges can be spun with one hand in Using the fingers of one hand to stop and start turning.