Bigjigs Rail BJT109 Track Splitter (Pack of 2) Children have more options for creative wooden railway layouts, with the Bigjigs Rail Track Splitter Extend and modify track layouts to suit the scenario of each play session Each piece measures 5.7'' 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