The Roundhouse HO Scale #1507 Maintenance Of Way Fire Fighting Train 3-N-1 is an unassembled kit that includes original paperwork. Made of plastic and measuring 3 inches in length, this 1:87 scale freight car is part of the HO gauge model train set. It builds 3 cars and features plastic trucks/wheels, perfect for transportation enthusiasts aged 17 and up. This kit, representing a maintenance of way train, comes in its original box packaging from the United States brand Roundhouse.