Our most popular and classic fidget Hand spinners made of improved ABS with quality center bearings. Smooth High Performance Bearing makes it light - Fast and Long Spin Times. This stress reliever is easy To Carry and has ergonomic three Rings for easy spinning. It's precise balance and weight are packed into a great size that fits easily in your pocket! It is suitable for classroom or office and helps boosting your concentration and focus, especially helping with ADHD, ADD, Hyperactive or Anxious people! Simple-looking as they may be, these spinning fidget toys are actually backed by science! By feeding your brain extra sensory information, you redirect your mental resources from whatever else you may be thinking to the task at hand. Comes in a variety of vibrant colors.