These Portable Bathrooms go well in just about any place since they're usually placed at random spots or on a flat truck for transportation.
They come in blue and green and they also come 4 piece, 2 piece and single units.
This is a PaperCraft Product Not Plastic.
Very simple to cut out and glue together and full instructions are provide.
If you have a construction scene on your Layout these are a must have, and will be received well by the crew.