Built-in bunk beds is a great idea to preserve space. The built-in book shelves also help to create more storage for toys, books and etc. The first step of the ladder has been eliminated in order to add under bed storage/trundle.
This is such a cool bed. Tons of room for storage and an extra bed for someone if needed. I love the stairs up to the top bed! If this was in my room I wouldnt be able to decide which bed to sleep on! - home me