Specifications:This product use 608 bearings, with high-density ABS frame to maintaining the gyro of playability and speed.Good for ADHD children and adults to focus at school or work, or just to have something to play with.Ergonomic tri spinner design for comfortable hand feeling and long term usage.Ideal for people trying to quite smoking, leg shaking and all type of attention disorder issues.How to Use:Hold spinner in one hand and use the other hand to spin it rapidly, and keep it spinning indefinitely by using small continuous strokes. Spinner can start and stop spinning only with the help of one finger.Type: Hand SpinnerMaterial: ABSQuantity: 1 PcRotation Time: about 2 MinOccasions: Home, Office, School, etcFeatures: Creative, Fingertip Gyro, Small Windmill Design, Stress Relief, Tip Spiral ToyDiameter: 8cm/3.15" (Approx.)Notes:The bearing of this product can not be washed with water! After playing a long time, soak the bearing with alcohol for cleaning.Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.