They grow up so fast. And just as fast, you can convert the Dylan bottom bunk into a full-sized bed for growing kids. Two extension legs, a set of full-size support rails and hardware transform the lower bed for years more use. This add-on converts bottom bunk of Dylan bunk bed 385680 from twin to full size. Includes: extension legs, support slats, brackets, hardware. Full size bunkie board required (sold separately) for lower bed. Shown with Dylan Bunk bed (385680), bunk beds sold separately from conversion kit.