These supporting straps fit on to both items: 2142 and 2143 to provide extra balance and support.Balanco is suitable for play, sports training and goal-directed rehabilitation.Balanco stimulates psycho and sensomotor functions, such as coordination, mobility, reaction, concentration, and improved posture.Balanco is available in two levels of difficulty. Each Set contains 3 easily replaceable inserts with different challenges.For all ages of children over 3 years.Maximum load 120 kgs.