Bluford Shops N Scale: International Car Bay Window Caboose Phase 4 - Kansas City SouthernBluford Shops International Car Bay Window Caboose Phase 4 is based on the family of steel bay window cabooses developed by International Car Company beginning in the early 1950s. Over the years the design of the bay windows evolved and each phase features a number of bay window style and other detail variations. This N Scale International Car Window Caboose Phase 4 has a steeper pitch on wide bay sides, a dual-pane window and flatter top on the bay window. The ready-to-run model features wire grab irons, body mounted magnetically operating knuckle couplers, close coupling and Fox Valley Models metal wheels. Ladders and running boards are included on appropriate paint schemes for each version.