3-113HO Unitrack HV-3 Interchange Track Set w/#4 Remote SwitchesThis track assortment provides a crossover space for transitioning between two parallel tracks using #4 electric turnouts. Includes the necessary track sections as well as a #24-827 3-way extension cord and a turnout control switch.Kato"s line of ground level UNITRACK offers a variety of pieces and turnouts to allow you to build any layout your heart desires, all while ensuring track quality and steady delivery of electricity to your locomotives. Available both as individual pieces and as track sets, let Kato UNITRACK be the first track you put down, and you may never use another track again!