This is an N Gauge building or other structure.
A pre-painted but unassembled kit to build the structure as shown here.
Please note that the photos shown are of a prototype; the production version may vary. Also, items such as this are mass produced and as a result some inconsistencies in finish and painting may occur; these are not considered manufacturer's defects. If you absolutely must have perfection, prepare to do some touch-up work on your own.