Extreme sports at your fingertips is also a small toy that relieves psychological stress It can help relieve ADHD, obsessive-compulsive disorder, anxiety, tension, emotional irritability, inattention, and reduce smoking cravings Autism, ADD, Quit Smoking, Staying Awake On Long Car Drives, Helpful for Focus and Deep Thought Keeps your hands and mind busy and not on your cell phone It's also a great conversation piece Everybody should try it Specification: Name: Crystal Fidget Spinner Toy Size: 7 x 7 x 2cm or 2 7 x 2 7 x 0 78inch Weight: 50g Color: Transparent Material: ABS Function: Quit smoking, decompression, entertainment, fatigue relief Package Includes: 1 x Crystal Fidget Spinner Toy Warm Tips: Due to the difference in display and lighting effects, the actual color may be slightly different from the picture Due to manual measurement, please allow 1-3 cm deviation