Roll locomotives between different rail lines with this motorised turntable from hornby r070 it39s easy to operate as it works with the standard train controller used with most hornby layouts simply roll a locomotive onto the turntable then use the yellow on on switch r046 supplied with the set to swap power from the track to the turntable and then twist the dial to rotate your train engine when in position simply flip the power back to the tracks and drive the locomotive off again