The MTH Pennsylvania Railroad Passenger Cars O Gauge 70′ Scale Aluminum 5 Car Set is a pre-built model train set designed for hobbyists aged 17 years and up. The set features a scale of 1:48 and is made of plastic with a vintage theme of transportation. With a power type of AC and an analog control system, this set is ready to go with light function features and operates on a three-rail system. The brand is MTH, and the passenger cars are modeled after the Pennsylvania Railroad, making it a unique and detailed addition to any model railroad collection.