Everything pictured is free-standing, so you can move the furniture about and position them however you like. You don't even need to keep all the furniture under the bed if you have the space to spare, it makes a great den space for younger ones!
The "Kids Cabin Bed Mid Sleeper Single with Storage Drawers and Desk" would be ideal for providing a well-designed, comfortable, and functional sleep space for children in guest bedrooms, dorm rooms, or as a nursery setting.