My 7 month old loves this tree. She always sleeps in the enclosure. I understand some people were having trouble building it. Two of the poles are a tad longer than the others and need to be used on top of the one large box to connect to the upper floor. There is a picture where someone had to use additional wood to fix it, well if he gave it some thought before adding stuff, he would have realized he just put the wrong size legs in the wrong place... SMH...