Product Information Packing: color box Material: Plastic ABS Product size: 2.5*2.5*2.5 inch Color box packaging: 2.56*2.56*2.56 inch Product weight:0.14 LB Color: blue, green, pink,yellow. Fun game introduction--let's start a big brain battle together: 1. Move the middle horizontal axis,randomly scramble the four color balls. 2. Move the middle horizontal axis to replace the required round beads in different O-shaped tracks. 3.Through memory and spatial imagination, the beads in the 4 tracks can be matched at the fastest speed to keep them the same color. Difficulty upgrade, there is a plane button on the top and bottom of the rotating puzzle. Hold it firmly with your fingers and push the rotating puzzle to become a spinning top。One toy,two ways to play. Fun gameplay promotes thinking-help children exercise hand-eye coordination and grasping ability, but also train brain space and logical thinking ability.