FitBALL Balance Pods, Set of 6 Crafted from professional Grade materials and are recommended for both adults, and children Designed for developing and maintaining core strength including the muscles of pelvis, abdomen and back Use for a number of exercises that can help with balance, coordination, body toning and posture improvement. Pods can either be used with the dome side up, or down, for varied levels of difficulty Place these colorful 6in. Sensory inflatables in patterns on the floor, then balance from Pod to Pod. Sensory points on top side for added stimulation and circulation Change the amount of air inside each Pod with a fit ball pump needle attachment. Pump sold separately