Can be used in brass or plastic cars. Fits any of these Pullman sleeping cars: 12s-2db, 10s-3db, 10s-1dr-2db, 10s-2db-1c, 8s-5db, 8s-4db, 8s-1dr-3db, 6s-6db, 6s-1dr-2c-2db, 6s-1dr-4db. Contains berths, sofas, section partitions, vestibule bulkheads and styrene strip to make partitions floor material is not provided in this kit.