During a 3-month period, the boy has sat approx. 20 min in the Protac SenSit^® ball chair every day after breakfast and during the morning gathering. The chair is also used spontaneously. He has increased his concentration during the morning gathering, can now keep up with is happening and is not as disturbing to the other children as he was before. He calms down more. It is evident that he calms down when he sits down in the chair. The mornings when he feels bad, the chair helps him “move on”, “get over it” and have a better day.