Bigjigs Rail Wooden Car Loader - Other Major Rail Brands are Compatible Deliver the cars to their destination on time with the colorful Bigjigs Rail Car Loader! Includes 2 push along cars, an engine with 2 freight cars, a loading ramp and 2 pieces of wooden track! Most other major wooden railway brands are compatible with Bigjigs Rail. Magnetic couplings ensure compatibility with other engines & carriages in the Bigjigs Rail range. Made from high quality, responsibly sourced materials.