Bigjigs Rail BJT441 Heritage Collection Duchess of Hamilton Bigjigs Rail Heritage Collection Duchess of Hamilton is a wooden replica licensed from the National Railway Museum, UK Specially designed packaging features information about the origin and history of this real train engine 2-piece set measures 7.5'' in length Most wooden railway sets are compatible with Bigjigs Rail, making Bigjigs the perfect choice for starting or extending your collection Bigjigs Rail is suitable for children ages 3 and over, and conforms to ASTM and CPSIA safety standards