Railyard 18-inch PlatformRailyard Obstacle Course 18 inch Platforms The Railyard Platform can be used individually to raise a Rail 18 inches or stack units to raise a Rail 18" or 36" off the ground. Up to four Rails can be placed on each Platform at 90 degrees. Every Platform sits on eight, non marring rubber feet for stability and a non slip grip on tile or wood floors. Commercial strength rubber latches are used to secure the Tops to the Platforms to anchor the Rails to the