Railking and K Line modern O gauge freight cars most with OBs. Eleven cars includes the tougher 74088 Ground Zero Flag Raising boxcar and 74087 Rescue 2 New York Skyline boxcar. Other cars include 7309 Texaco tank car, 7886 Bad Frog Beer reefer, 7467 Bangor and Aroostook State of Maine boxcar, 7882 Popsicle reefer, 79048 Bangor 7 Aroostook operating boxcar with signal man, 93026 Boston and Maine boxcar, 91115 K Line Super Store boxcar, and two K Line Milwaukee Road ore cars without boxes. Trains are generally C8 with run time, Items have come from a smoking household. Boxes and trains will have a light smoke odor, but this has not affected the decorations of the trains.