Hornby iTraveller 6000 Train Set. The iTraveller 6000 Train Set is the model railway of the future! This set features a train inspired by cutting edge technology. Everything needed to get started with model railways is in the box including a locomotive, rolling stock and track as well as Hornbys new controller system the HM 6000 which allows the locomotive to be controlled using mobile devices (not included) via a downloadable app.