Features: 1.The small bead can move around a circle as you spin this toy. The toy is great to improve hand-eye coordination and grasping ability of your child. 2.This toy features exclusive design and vivid colors to promote the brain development of children. It is a good toy to exercise kids spatial imagination, logical thinking and finger flexibility. 3.A perfect toy to calm the mood of your child and improve his concentration. A fabulous gift for children and adults. Suitable for classrooms, homes or offices. 4.Parents can use this toy to show how gravity works, which allows children to learn something about physics, thus promoting parent-child relationship. 5.Made of drop-resistant materials, featuring the uneven edges, this toy helps exercise the grasping ability of your child. Notice: Actual color may be slightly different from the image due to different monitor and light effect Please allow 1-3cm deviation due to manual measurement Description: Size: 5*5cm includes: 1*Decompression Toys