2018 Convention in Manchester, NH, LOTS honors the Boston and Maine Railroad and the Portsmouth, NH Naval Shipyard by offering an Operating Welding Flatcar. This traditional-sized car is 10 3/4" long and features die-cast metal trucks, operating couplers, and a blue LED light simulating the glow of the welder's arc when the car is in motion. Our O-Gauge car is manufactured by Lionel and operates on O-27 and larger curves.