This Bachmann Big Haulers Rocky Mountain Express Electric Train Set #90015 is a limited edition and advertising specimen that will make a great addition to your model railroad collection. The set includes 5 cars and a 14-piece oval of track with power, all carefully crafted from plastic and steel materials. With an analog control system, this train set offers both a light function and a sound function, making it a realistic addition to your railroad enthusiast collection. The set is pre-built and ready to go, with a scale of 1:22.5 and a gauge of G. The Rio Grande and Southern railroad names add to the unique and authentic feel of this vintage starter set. The smoker does not appear to work. Will include a bottle of smoke for you to test. Non-smoking / no pet home.