Green Line Tunnel

The  is a room furniture item in Club Penguin. It costs 50 coins in the Furniture Catalog, and only members can buy it.

Trivia

 * The message in the Furniture Catalog that discusses the train tunnel reads: "Join the Railway! Members can purchase a train tunnel for their igloo. They'll get featured on the Train Station Igloo list. Then, trains can depart from their igloos! Active from  Dec. 19 to Jan.1".