Kato USA Model Train Products V7 UNITRACK Double Crossover Track Set The V7 Double Crossover Track Set includes Double Crossover track piece, matching straight track and turnout control switch A perfect addition to the V5 Inside Loop Track Set and V6 Outside Loop Track Set to connect them to the M1 and M2 sets Easy to use assorted track set in a box Reliable and easy-to-use UNITRACK snap track system makes setting up both temporary and permanent layouts a snap