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 which 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 Features . Provides balance therapy and tactile input. Great for kids with sensory processing and focus challenges to improve focus. 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 Includes . Hand pump Specifications . Weight 2 9 lbs