火車進入支線上的隧道口，彷彿駛入了陌生又遙遠的童話世界。隧道口是參考台灣許多簡單造型的支線水泥隧道口設計，如平溪線的幼坑隧道和集集線的集集隧道。

Our branch line tunnel portal resembles the majority of generic concrete tunnel portals found in Japan and Taiwan. This design is used on a variety of branchlines like the Pingxi and Jiji rail lines but would suit anywhere else to represent a simple generic design.

This piece has been hand cast from Hydrostone plasters. The flat surface can be carved with a hobby knife and modified to depict a variety of settings.