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 The Kato UNITRACK Master (M) and Variation (V) sets are the ultimate expansion track sets, perfect for beginners who are looking to get started in the hobby, while also providing complex structures for those seeking to create more complex and advanced layouts! Starting with the base Master Set, you can expand to create any layout you desire by adding as many Variation sets or individual unitrack pieces as you like! Each Variation set box contains a complete layout landmark, whether it's a staging yard, a passing siding, or a flyover viaduct bridge. Includes: (2) 9-3/4 inch Straight Track, (1) 2-7/16 inch Straight Track, (1) 12-3/16 inch Double Crossover Turnout, and (1) Turnout Control Switch.