An inviting tactile material that challenges children's sense of touch and develops the ability to describe sense impressions verbally. The discs, made of nice-to-touch rubber, contain 5 different tactile patterns. Each pattern can be found on a large disc for positioning on the floor, and on a small disc that can be held in hand. Supports up to 220lbs. Set includes 5 large 101⁄2" disks and 5 matching 4 1⁄2" discs.