Made Of rABS | Recycled ABS (Acrylonitrile Butadiene Styrene) Is Obtained By Melting Down Post Consumer ABS Plastic To Create New ABS Plastic. | Spin Between Thumb And Middle Finger | Includes Metal Rolling Ball & Spinning Wheel On Each End For Added Tactile Stimulation | Perfect For Reducing Stress And Boredom | Encourages Focus And Self-Soothing For Users With Anxiety, Attention Disorders And More | Fun For All Ages 3+