The railroad lner 4 6 2 mallard a4 class with tts sound locomotive r3395tts is an outstanding model train that39s the perfect fit for your 00 gauge hornby layout it features a huge amount of detail on all sides and boasts accurate rail livery that adds a real air of authenticity to your set connect it up to your wagons and watch your assembled train roll around the track on a mission to deliver passengers goods and anything else it can tow