Up for sale is this beautiful 1930s Prewar Lionel O-gauge 1668E passenger train set. This set is in great running order. One siderod is missing from the side if the engine but it still runs great. This set has been serviced and the locomotive, reverse unit and tender all work as designed. 1668E 2-6-2 steam locomotive. 2630 blue and silver Pullman passenger car. 1631 blue and silver observation car.