Description: The toy adapts the sturdy ABS material with concavo-convex particles on the edge, which can exercise the child's grasping ability and massage the palm. It is a puzzle game that requires concentration, careful observation, and thinking. It can help gamers reduce screen time, improve their thinking ability, and reduce the work pressure of adults. Specification: Material: ABS. Color: pink, blue, white Size: about 2.09 inches in diameter Packing Size: about 12.5*10*3cm/4.92*3.94*1.18in Function: rolling beads/massage/PackingList: Magic Beans Cube*1 Note: 1. Due to the lighting effects and shooting angles, there is color difference in the product, please understand. 2. Due to manual measurement, there is a tolerance in the product size. 3. Suitable for people over 12 years old.