The Rail King MTH O Gauge Amtrak Superliner Sleeper/Diner Two Car Set is a ready-to-go passenger car set in 1:48 scale, featuring a sleek silver color and designed for the Three-Rail System. Made of plastic, this analog-controlled set is perfect for model railroading enthusiasts aged 17 years and up. With light function features and representing the Amtrak corporate roadname, this set captures the essence of transportation from the 1990s, adding a touch of realism to any model railroad display.