KATO ・ Unitrack Set Series (Basic Set) N-1 (20-820), I believe this is it. I'm not sure of the details, so please judge from the images. It seems to be missing some items. I have photographed everything in images 2-5. Please check them. It's from a long time ago, so please excuse the age-related deterioration. [Unitrack Basic Set N-1] ※ The outer box and the foam inside show signs of deterioration. ※ There are no problems with the tracks themselves. It may be difficult to understand, but please check the photos and consider purchasing if you understand. Kato Micro Ace Greenmax Geo-Colle Diorama N gauge