Grand Maket Rossiya (Russian : Гранд Макет Россия) is a private museum in Saint Petersburg, Russia. It is a model layout designed on a scale of 1:87 (HO scale) and covers an area of 800 m (8,600 sq ft). In this area, collective images of regions of the Russian Federation are represented. It is the largest model layout in Russia and the second largest in the world (after the Miniatur Wunderland in Hamburg, Germany). The model is located in a two-story building built in 1953, in the style of Stalin ’s empire. The creator of the project is a Saint Petersburg businessman Sergey Morozov.