Separate wagons and coaches at the flick of a switch using this hornby uncoupler unit r8244 sitting at the join between two straight track sections or halfway along a double straight this layout accessory uncouples your train without tasking the conductor with reaching between cars and dealing with fiddly connectors just move the switch and the train cars come apart you can even set it up to trigger electronically with a hornby r8243 or r8014 point motor sold separately