The Wiggle Cushion is a perfect solution for children who have a tough time sitting still. The Wiggle Cushion is a cross between a ball chair and a seat cushion. You can inflate the Wiggle Cushion to the max to stimulate balance and core work or deflate to use as a seat cushion that encourages movement. One side of the cushion is a smooth surface, the other side has slightly raised "bumps." You can choose between receiving tactile input or sitting on a smooth surface. Provides balance therapy and tactile input great for kids with sensory processing and focus challenges to improve focus includes FREE hand pump and ideas for use Ages 3 - teen Great alternative to a ball chair that can be used in school, home, clinic, or travel. Use to teach balance. Use to have kids stand on during standing circle-time.