Take full control of your hornby digital layout with the dcc select walkabout controller r8235 when used alongside the hornby select digital controller the walkabout can programme and control up to 59 locomotives as well as operate 40 points and other electrical accessories what39s more up to eight walkabouts can be connected to a single select or elite digital controller allowing you to independently control and manage up to eight locomotives at one time on a single hornby layout ple