Features: Material,use anti-fall abs material.sturdy,durable. Operation methods,carefully designed o-shaped concave holes,each grooves has a number of small beads, which can move and ratate by pushing the middle module.the small beads can move and rotate mess up different colors of beads,then start thinking about how to pair the colors of the balls and holes. 360 Degree rotation,use your fingers to grasp the upper and lower two snaps,push the sphere,you can rotate 360 degrees.it can become a rotating decompression balls,which is fun and releases pressure.one kind of sphere,two way to plays. Creative decompression,puzzle fingertip toy,help children exercise hand-eye coordination and grasping skills,as well as training brain space and logical thinking ability. Best gift,a great choice for birthday party favor,christmasknew year,classroom rewards,carnivals,prize boxes,goodie bag fillers. Specifications: Material:ABS Color:Blue,Pink,Green,Orange Package Includes: 1 Piece Anxiety Relief Learning & Education Toy note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.