Bigjigs Rail Cable Rolls Wagon - Other Major Wooden Rail Brands are Compatible Wound up & ready to go, these loads of cable atop a wooden wagon are individually detachable. With magnetic couplings, the wagon can be pulled by any engine in the Bigjigs Rail range. Most other major wooden railway brands are compatible. Features 3 play pieces, including detachable loads with magnetic tops. Made from high quality, responsibly sourced materials.