The Kato Unitrack Master (M) and Variation V set is the ultimate expansion track set that will allow any beginner to begin. They are looking for hobbies that are looking for more complex structures that begin to create a complex and advanced layout, and if you have set the base master and unfold it, you can create a variety set or individual UNITRACK pieces to create layout with each variation set box that is required to implement the design layout landmark, staging yards, streak bridge. Includes: Kato (4) 9-3/4" Truck, Kato (1) 4-7/8" Truck, Kato (1) 4-7/8" Road Crossing Kato/rerailer Truck, 12-7/16" Straight Truck, (1) Kato 2-7/16" Straight Fee Da Truck, Kato (8) 12-3/8" 45 degree radius curved track has (1) Kato Crossing Accessory, Kato (1) Rerailer / Uni-Joiner Remover, Kato (1) Power Pack.