This Lionel 027 90 Degree Crossing Crossover 5020 is a great addition to any model railroad enthusiast's collection. The unit is pre-built and ready to go, with a black color and made of brass and plastic materials. It has an analog control system and is powered by AC. The track is a three-rail system with a scale of O and a gauge of O. The item measures 14 inches in length, 0.4 inches in height, and 0.2 inches in width, with a weight of 0.5 lbs. It was manufactured in the United States in the 1990s and is graded as C-9 Factory New-Brand New. This unit is perfect for anyone aged 17 years and up who is a fan of model railroads and trains.