The low ball balance is a great addition to your Ninja setup in that you can make it as large as you want and set it up in an infinite number of configurations. The traverse balls and posts create a fun challenge in their varying heights. It will test even. the most seasoned Ninja out there. The obstacle is 10ft in length and has 6 posts with polyurethane balls anchored to them. Multiple spans may be connected in series to create challenging courses. The obstacle is made out of a powder coated steel and may be custom colored to suit your branding the polyurethane balls are also available in a variety of colors.