How can you teach color recognition, stacking nesting, sorting and counting all with one toy? Answer: Mix, Match, Nest & Stacking! It's the perfect toy for busy and curious toddler. Comes with 5 wooden stained cups, 15 corresponding wooden stained 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. Let's mix it up!