Children naturally want to move. Active sitting on a KidsErgo encouraged the child to perform controlled micro-movements which improve blood and oxygen flow to the brain C increasing concentration by an average of 17%. Studies show that sitting on stability balls in the classroom helps a childs ability to focus. With KidsErgo you get the benefit of the ball without the seat rolling around picking up dirt or taking up a large amount of space. Perfect for schools libraries daycares playrooms and more!