HO scale train caboose cars with flashing LED running lights are seen on display for sale at the T &amp; M Hobbies booth at the Great Train Extravaganza, 2011 on Sunday, Dec. 4, 2011 at the Empire State Convention Center in Albany, NY.   This years event had over  200 tables of model trains, train sets, parts and accessories for sale along with books, videos, prints, and railroad memorabilia.  The event is put on by the Upstate Train Associates and the Hudson-Berkshire Division of the National Model Railroad Association.  (Paul Buckowski / Times Union) (Albany Times Union)