The tube cover is good and useful. The little bumper pads seemed unimportant at first, but a couple of my kids like to climb on top of the apparatus, so they've actually probably saved some scrapes. The sprinkler attachment isn't super necessary...there's probably ones just as good and much cheaper that you could tie up there, but it's fine. The outdoor cover I haven't used yet, but definitely a good idea for storing during the winter if you can't bring it inside. The rope swing thing seems a li...