"i this set it is not very hard to build.I think that all the rooms are so cool and right in there own ways.The helicopter and the truck are such cool extra touches.The first floor is so cool it has a fish tank and a water dispenser like in real hospitals they do.Now on the second level right the baby room is so cute.It has a bed a book about baby Ola and a little bathroom:).I LOVE THIS set it is so super cute.I hope that you have a good play with is like my daughter did have a good day:)"