This is the G Scale Short Straight Tunnel by Pegasus Hobbies. FEATURES: Made of lightweight styrene with details such as brick trim around the tunnel entrances, mountainous terrain and green around the bottom to simulate grass. INCLUDES: One G Scale Short Straight Styrene Tunnel REQUIRES: G Scale Train Set SPECS: Scale: G Length: 20-3/4" (527.05mm) Width: 15-3/4" (400.05mm) Height: 10" (254mm) tlc 6/13/11