The Trainz SKU for this item is P12394417

The Arch openning is 2-3/4 inches by 2-1/8 inches tall

This is a MTH 35-1012 S Railjoiner for STrax (36-Pack)

Xow 05 low side car loaded with VW beatle

This is a Vollmer Gmbh 5131 HO Scale Postal Accessories

Kibri 6778 Z Scale Industrial Factory Building Kit (Set of 4) ProductID_11642083 The Trainz SKU for thisHere is a Kibri 6778 Z Scale Industrial Factory Building Kit (4 Pieces). Included are four separate building kits. Please see my pictures for additional features. Condition: Factory New (C 9) Operational Status: Functional Original Box: Yes (P 9) Manufacturer: Kibri Model Number: 6778 MSRP: $79. 99 Scale Era: Z Scale Model Type: Building Kits The Trainz SKU for this item is P12260781. Trainz Product Id: 12260781