Optional floors and stairs kit for the WWII Government Building kit number 15MMDF350-3 with removable top floor.
The ground floor and it's supports as well as the supports for the upper floor should be glued into the building. Only the upper floor is meant to be removable.
Model is precision cut from 1/8" (3mm) MDF. Model goes together quickly and easily using common white glue or “Tacky glue” and can be painted to any level of detail you desire or simply sprayed one color so you can get back to gaming.