Gaiam Kids Stay-N-Play Children's Balance Ball - Flexible School Chair, Active Classroom Desk Seating with Stay-Put Stability Legs, Includes Air Pump PERFECT SEAT FOR ACTIVE KIDS: Stay-N-Play Balance Ball provides a flexible seat for high energy and active kids and includes 5 soft stabilizing legs assuring the ball stays in place when not in use PROMOTES HEALTHY POSTURE AND MIND: Encourages kids to learn, adopt and practice a healthy posture while building core strength from active sitting and play in the classroom and at home while studying or reading and during movie time or watching TV IMPROVES FOCUS AND CONCENTRATION: Ball movements increase blood flow to the brain, helping to improve concentration and increase focus, reduce restlessness, and prevent boredom and distractions in class by keeping the body active and the mind engaged GET THE WIGGLES OUT: Alternative seating option for kids in Elementary grade school classrooms providing an outlet for excess energy and to reduce fidgeting as well as at home as a fun and active way to get the "wiggles out"