A toy for everyone. Logic & Coordination A very fun rolling cube ball that will keep your hands busy for hours of fun and exercise logical thinking, color sensitivity and hand coordination. Great for enhancing your childs independent thinking skills. New and interesting game play put the ball into the chute and use inertia to roll back and forth. Rubiks cube ball can be twisted to switch tracks, infinite twisting and rolling, more fun. Concentration and focus this trackball is perfect for spending time The perfect gift innovative gifts for everyone, Christmas, birthdays, Thanksgiving, Halloween, Childrens Day are great opportunities for gift giving. Specification. Color: blue/white/red/green Material: plastic + steel ball Function: Puzzle solving, decompression Size: 5.2 * 5.2 * 5.6 CM