This Lionel Crossing Gate No 252 is a vintage O-gauge unit that comes with a Railroad Crossing sign. It is compatible with American Airlines and HobbyBoss F6F-5 Hellcat, making it a great addition to any transportation-themed model railroads and trains collection. The crossing gate is made of pressed steel and comes in black color with light function features. It is pre-built and ready to use, perfect for children aged 8-11 years old who want to enjoy playing with their train sets. This unit weighs 1 lb and measures 4x2x1 inches, making it a perfect size to fit in any model railroads scene.