MATERIAL Use anti-fall ABS material.The diameter of the rotating cube shape magic cube ball is 5.3cm (2.5in). OPERATION METHODcarefully designed 4 O-shaped concave holes,each groove 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 match 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 ball,which is fun and releases pressure.One kind of sphere,two ways to play. CREATIVE DECOMPRESSIONPuzzle fingertip toyhelp children exercise hand-eye coordination and grasping skills,as well as training brain space and logical thinking ability. BEST GIFTA great choice for birthday party favors,christmasknew year,classroom rewards,carnivals,prize boxes,goodie bag fillers.