O Scale Water Column Features: Proto-Sound 2.0 With The Digital Command System Featuring: Unit Measures: 4" Tall 30-11007-AQ "1999 Volume 1 - Camelback" -RailKing$29.95 | Home | About | Privacy Policy | Contact Us | Engine House Hobbies© 2002 ALL RIGHTS RESERVED We're a member of ShopGaithersburg Designed & Managed by Palfrey & Palfrey Associates LTD