HIGH QUALITY MATERIAL Our trackball toy is made of high quality ABS plastic, smooth surface, safe and won't hurt your hands, arc design is ergonomic, comfortable to touch and durable. A good choice for killing time, especially for people who try to bite their nails, smoke cigarettes, shake their legs and have all kinds of attention disorders or adults and children with anxiety and autism. VARIABLE ORBIT This decompression toy has two ways to play. Press and hold the two ends of the Rubik's cube fidget spinner respectively, and spin the gyroscope, and the beads will spin along the orbit. Or turn the cube to change tracks, drop the ball into the slide, and use inertia to roll back and forth. will be more interesting. COMPACT AND PORTABLE Compact size allows this anti-stress toy to be easily put in your pocket, car or desk drawer (5.55cm/2, 21.96 inch), won't take up too much space for you You can choose it in the office, on the way to work, when you study, in a meeting or in front of the TV, anywhere you want to relax and afford to better concentrate, and help you play and decompression at any time. DECOMPRESSION TOYS A very fun rolling cube ball that can help your friends and family members relax at work, and also can relieve children's irritability and exercise logical thinking, color sensitivity and hand coordination. Fidget toys are very suitable for children to develop their intelligence and improve their patience. Help adults reduce stress and anxiety and prevent mind wandering.