This item was fairly easy to assemble. Instructions are good. Materials are generally good. Mine was missing the needle to attach to the included ball pump in the packaging. As a result, I had to use another pump I had on hand. The base is nice but it seems to have too much "give" in the center, and as a result the pole wobbles a good bit when the ball is being hit back and forth, rather than staying firmly vertical. Maybe adding more water to the base, or using sand, will solve this problem.