HO Scale Add to Cart Kato World's Greatest Hobby Track Pack - Unitrack -- For a 4 x 8' Layout - KAT3103 Kato MSRP: Our Price: Sale Price: $224.99 Was: World's Greatest Hobby Track Pack - Unitrack -- For a 4 x 8' Layout KAT3103 MSRP: Our Price: Sale Price: $224.99 Was: Add to Cart