Rainbow puzzle ball- This rolling 3D puzzle is a round cube in football shape with 12 holes and 11 colorful balls inside, these balls can be passed from one hole to another.Your objective is to scramble the colored balls, then figure out how to get them all back into their matching colored slots in all holes. Premium and Safe Material- Frosted surface,reinforces resistance, easy to hold, will not scratch. ABS material, no-toxic and no-harm, molecular structure stability, impact resistance, no deterioration in performance due to long-term use. Reasonable size (Diameter 65mm/2.56") and lightweight(120g/4.23oz), perfectly fits to hands and easily to be carried where you want. Multi-faced Development -This brain teaser toy can foster your kid's sense of space,the sense of color, and enhance a child's memory, to release the working pressure of the adults and kill time on the waiting, to help prevent a decline in memory of the elderly. This classic puzzle game will never go out of style and keep your kids off TV / Ipad. Perfect Gift Idea- Educational toy gift for kids, friends, family members, beginners and professionals; provides hours of enjoyable game experience; perfect for reducing stress, exercising your brain, improving memory and practicing hands-on dexterity skills.