The Lionel 6-18313 Pennsylvania Railroad GG1 with TMCC is a fully assembled electric locomotive in a ready-to-go pre-built state. This model features a green color and is made of plastic and diecast materials, with a 1:48 scale representation of the real-life locomotive. With its analog control system and light function, this O gauge locomotive is perfect for model railroad enthusiasts aged 17 years and up, who enjoy collecting transportation-themed items. Made in the United States by Lionel, this electric locomotive is a must-have for any railroad enthusiast's collection.