The Kato 20-852 M1 Basic Oval Track Set is the perfect starting point for N Scale railroading. This Unitrack starter set gives you a complete oval layout measuring approximately 4.5' × 2' with a 12-3/8" (315mm) radius, plus the Kato Power Pack Standard SX to get your trains running right out of the box. As part of Kato's Master/Variation system, you can expand this oval into any layout configuration by adding V-series variation sets or individual Unitrack pieces. Looking for more N Scale track? Browse our N Scale Trains & Track and N Scale Track & Accessories. What's Included Item Qty 248mm (9-3/4") Straight Track 4 124mm (4-7/8") Straight Track 1 124mm Rerailer Track 1 62mm (2-7/16") Straight Track 1 62mm Feeder Track 1 R315-45° Curved Track 8 Kato Power Pack Standard SX 1 Feeder Cord 1 Uni-Joiner Remover Tool 1 Track Cleaning Stick 1 Features Complete Unitrack oval layout — snap-together roadbed track with integrated ballast for quick, clean setup with no loose ballast or track nails required Includes Kato Power Pack Standard SX controller for smooth, reliable speed control right out of the box Built-in storage drawer keeps your locomotives and accessories organized inside the set's packaging Expandable design — add any Kato V-series Variation set or individual Unitrack pieces to build more complex layouts Rerailer/grade crossing track included for easy on-track placement of rolling stock Scale: N Scale (1:160) More Information Brand Kato Item Number 20-852 Scale N Scale (1:160) Product Type Track Starter Set Track System Kato Unitrack Layout Size Approx. 4.5' × 2' (1337mm × 677mm) Curve Radius 12-3/8" (315mm) Condition New UPC 4949727698175 FAQ Do I need anything else to start running trains?Just add a locomotive and cars! This set includes the power pack, feeder track, and all the Unitrack pieces you need for a complete oval. Locomotives and rolling stock are sold separately. Can I expand this layout later?Absolutely. Kato's Master/Variation system is designed for expansion. Add any V-series set (like the V1 passing siding or V2 single track) or individual Unitrack pieces to create sidings, yards, and more complex track plans. Is Unitrack compatible with other N Scale track brands?Unitrack uses its own proprietary joiner system, but Kato offers adapter tracks (sold separately) to connect with standard N Scale rail-joiner track from Atlas, Peco, and others. How big is the completed oval?The finished oval measures approximately 4.5 feet by 2 feet (1337mm × 677mm), making it a manageable size for a tabletop or shelf layout.