The Trainz SKU for this item is P11571879

These openings are usually found in mountain ranges

This is a On-Trak Model Products 5041 HO 1:87 1947 International KB11 2-Axle Tractor Model Kit

Trainz Product Id: 12424763

This is Kato 23404B N B/U 2258 Seaver Lane

NJ International 8330 Three Light Signal System and Sensors ProductID_11461394 The Trainz SKU for thisThis is a NJ International 8330 Three Light Signal System and Sensors Condition: Factory New (C 9) Operational Status: Functional Original Box: Yes (P 9) Manufacturer: NJ International Model Number: 8330 MSRP: $49. 99 Scale Era: HO Scale Model Type: Accessories The Trainz SKU for this item is P12513937. Trainz Product Id: 12513937