Product Description Ideal for the classroom or the playroom, this classic toy gives kids lots of ways to explore numbers, colors, and patterns! Just slide the two double-sided wooden boards into the base, then encourage kids to solve equations by lining up the correct number of beads on the addition and subtraction sides or follow the patterns on the color-matching sides. This abacus is one colorful, educational powerhouse! From the Manufacturer From classic wooden toys to crafts, pretend play, and games, Melissa & Doug products provide a launch pad to ignite imagination and a sense of wonder in all children so they can discover themselves, their passions, and their purpose. Since the company?s founding more than 25 years ago, Melissa & Doug has consistently delivered innovative products that inspire open-ended thinking, encourage kids to see new possibilities, and offer Countless Ways to Play. It?s part of a bigger vision to Take Back Childhood. Because by giving children a true childhood with the space and freedom to explore their world, we give them a path to realizing their full potential!