The Lionel 6-31960 Polar Express O Gauge Train Set is a Christmas-themed starter set from 2011 featuring a ready-to-go plastic construction with a scale of 1:48. This set includes a CW-80 Transformer that has been tested and confirmed to work, ensuring hours of enjoyment for train enthusiasts. The set also boasts sound functions and operates on an analog control system, making it a perfect addition to any model railroad collection.