The Roundhouse #3800 HO 36' Ventilated Box Car is a vintage model train box car designed by Barnum & Bailey. This pre-built box car features a classic yellow color and is made of white metal and plastic materials. It is part of the 2-Rail-2-Conductor rail system and is scaled at 1:87, making it a perfect addition to any HO gauge model railroad collection. This United States-built box car captures the nostalgia and charm of a bygone era in railroad history.