Bigjigs Rail BJT222 Bell Tower The Bigjigs Bell Tower rings a warning bell, warning one and all that a train is approaching The secret is hidden magnets in the Bell Tower that are activated by the metal couplings on your wooden train The 3-piece set includes wooden railway track, tower and roof 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