Bought this for our 20 month old grandson. Since he loves to climb, this was perfect for him. Mastered the ladder and slide in minutes.
As he gets a little older, I know he’ll be using the sides for rock climbing. 
Imaginative play will be fun for him too. It’s very sturdy and not difficult to put together. I read the ladder and slide were a little tricky to attach but my son-in-law was aware and got it clicked in without too much trouble.