BigJigs Wooden Railway Saddle Engine BJT424 Youngsters will love this vivid green BigJigs tank engine and enjoy attaching it to a variety of wagons! 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. Ages 3+.