Feet Ball ChairThe Feet Chair has 6 feet to avoid the ball rolling away over the floor when sat on. Feet Chair can also be use as a gymnastic ball. Another variety of the well known Fitness Ball, it is often used in schools in Europe as children seem more attentive with better posture and alignment through gentle body movements that improve blood circulation. Another possible use is at a desk for home or work. Stores easily as does not roll away. Available in 55cm