Out of the two model tram formations operating in Minimundus, the “Viennese Ring tram” which went into service in 1927, is particularly note­­worthy. These robust yet stylish trams also plied many other routes in the Viennese tram network and characterized the face of Vienna for many a year. In 1978 they were taken out of service but some tram formations are on display in the Viennese Tramway Museum and are occasionally used as “vintage tramcars” for special tours.