Finn the Giant Hump is a Pikler inspired climbing frame. Emmi Pikler who was a Paediatrician in 30/40 s was passionate about babies developing in the way nature intended allowing the child to learn and master skills at their own pace. Finn can be used as an aid for learning to sit crawl stand cruise and climb! Due to it s incredible size it is perfect for making dens or as our son calls it his igloo Large enough underneath even for parents to escape into as well. When everyone is away to bed it easily folds away in seconds. Self supporting so even if mischievous little hands remove the retaining knobs i wont collapse. The rungs come in rainbow or check out the other listings for different options