When you need something, you go to an expert. If jumping is what's called for, this Kangaroo Jumper Ball from Togu is the answer. Marvelous to play and train with at any age, this jumper ball is ideal in improving coordination, aiding balance and training muscles. It's also beneficial for strengthening the spine and improving posture. But don't tell the kids this is exercise. To them this is FUN! To get the jumping started, they just need to take both handles between the legs, sit down on the ball and kick off forwards from the floor with both feet. Jumping is more fun with a friend. By adding just one ball, you're exponentially adding to the laughter, good times and smiles you'll get back. Safe too as the ABS (Anti Burst System) provides an added level of puncture-resistant safety. The Kangaroo Jumper Ball is Jumior-sized with a diameter of 18", comes in red and has a weight capacity of 330 lbs. Please note, the inflation pump is not included. Safe for children, the ball strengthens the core and encourages socialization as kids work together catching and throwing while staying balanced on it. Do not over-inflate or inflate to full size, the ball will continue to expand on its own. Only inflate the ball when it is at room temperature. Never when cold. The ABS limit of the Jumper Ball is 135 lbs. ABS notes the limit at which the ball will slowly deflate. Please note, inflation pump not included.