Looks like G scale trains delivering beer and soft drinks from bar to table.
PRAGUE (AP) - Having been tested successfully on beer-loving Czechs, the beer train is heading for the United States and China.
Just imagine: you order a pint of beer, or even a cool glass of orange juice, and your drink is served by a model freight train arriving at your table.
http://www.ksby.com/...he-us-and-china