How can you teach color recognition, stacking nesting, sorting and counting all with one toy? Answer: Mixing, Matching, Nesting,Stacking! Its the perfect toy for busy and curious toddler. Comes with 5 cups, 15 corresponding color balls, and a wooden scooper to making counting super fun. They nest inside one another, or can stack when turned upside down. Best of all, they come with a carrying bag for easy transport. Lets mix it up!