Triple Bunk Bed For Three Kids Built In Desk BlackMaximize sleep space and grow with them versatility with the Twin over Twin over Twin Triple Bunk Bed for Kids. This sturdy metal bunk bed stacks three twin beds in one smart footprint, includes a built in desk between the bottom bunks, and can be separated into three standalone twin beds as your family grows. Three in one design: One upper twin bunk plus two lower twin bunks, with easy conversion to three separate twin beds for future room layouts.