The MTH 20-91619 Union Pacific Bay Window Caboose #400 is a detailed model of a caboose from the Union Pacific Railroad. Manufactured in 2018, this 1:48 scale caboose features a yellow color and is made of plastic with diecast parts. It operates on a three-rail system and includes light function for added realism. This caboose is a must-have for collectors and hobbyists of model railroads and trains, offering a high-quality replica of a classic railroad car.