Features:By rotating the magnetic trackball and letting the ball slide into different parts, it can exercise children& 39;s brain flexibility and hand-eye coordination ability, and it can also reduce work pressure for adults.It is inevitable that people will feel stressed or troubled in work, life and study. Now our sensory fidget toy can be a great way to pick up and play, calm, relax and focus. Especially for people with other needs like autism and ADHD.Fits easily in your pocket, car or desk drawer. You can take it with you at the office, on your commute, in meetings, or watching TV wherever you want to relax while allowing you to better focus on the things that matter.This finger gyroscope is made of high quality ABS material and silicone. The surface is smooth, does not hurt hands, has no peculiar smell, is strong and anti-fall, safe and durable.ExplanationProduct Parameters:Material: plasticSuitable age: >7 years oldProduct material: plasticProduct color: blue, green, red, whiteProduct size: 5.6*5.6*5.2CM