Encourage relaxation. Build confidence. Strengthen sensorimotor skills. Ballpools are great places to learn to relax — for children and adults. Brightly colored balls massage the entire body, providing buoyant support, deep-pressure sensation, and proprioceptive feedback. Thick, 10" vinyl-upholstered walls are 29"H with "locked" corners that hold tightly with heavy-duty touch-fastener flaps. Requires approx. 3,000 balls sold separately.