The O/O-27 Lionel 110 Trestle set is a vintage model accessory designed by Lionel in the 1950s. Made of plastic and in a 1:48 scale, this set includes a bridge and is part of the O-27 gauge series. Its yellow box packaging adds to its collectible appeal, making it a sought-after piece for model railroad enthusiasts and collectors of vintage Lionel products. Made in the United States, this set is a charming addition to any model railroads and trains display.