This set includes 10 pairs of wooden disks with different patterns. Each colored pattern is grooved for tactile exploration. Discover different shapes, lines and designs. Or, use them to practice early math concepts like counting, sorting and sequencing. These chunky disks are great for loose parts play, and they’re perfect for small hands to grasp. Each disk is made from smooth, durable beechwood. They’re designed to last for years of home or classroom use. Use the drawstring cotton bag for easy storage and portability. For ages 2+. Size of disk: 2" dia.