The CanDoå¨ inflatable balance stone is a versatile addition to a therapy or play regime. Can be used to practice and reinforce coordination, proprioception, and balance. Stones can be filled with water or sand to weight them for added safety and stability. Stones can be used with the curved side down as a vestibular balance board. Top of stone is nubby side for tactile feedback and stimulation. Available in 7 inch and 14 inch diameter, individually or in bulk packs of 6.