Made of high quality material, safe and eco-friendly, durable for use. Playing this can relieve us from the stress of multitasking in a busy day, and help cultivate spatial imagination, logical thinking and finger flexibility. Turn the bead by rotating it quickly, easy and interesting to play, rotate and twist to change the color, looks cute and beautiful. Suitable for the whole family, especially suitable for all types of attention disorders. A good choice to kill time, very suitable for adults and children with anxiety and autism. Rounded edges, won’t hurt the child’s hand. Light weight and in small size, you can play it in the office, school, home.