BigJigs Wooden Railway Heritage Collection Sentinel Engine BJT435 BigJigs Rail Heritage Collection Sentinel engine is a wooden replica of the real locomotive now residing at the Chasewater Light Railway in the U.K. The BigJigs Rail Heritage Collection offers a delightful range of replicas from the golden age of rail. The packaging features information about the historical engines upon which the collection is based. With wheels that steer, the engine goes around curves smoothly. Magnetic couplings ensure compatibility with all other engines and carriages in the BigRigs Rail collections. Most wooden railway sets are compaitble with BigJigs Rail, making BigJigs the perfect choice for starting or expanding your collection. Made from high quality, responsibly resourced materials. Measures approximately 3 1/2" long. Ages 3+.