Merchant life museum Kozmodemyansk located in an old mansion that is part of the manor, built in 1897, the City merchant timber merchant Shishokin AI

The museum building is constructed as a house, later used as office and was known as the "Trade House Gubins brothers." The three-storey building with an attic from 1918 to 1970 was the county committee of the RCP (b), from 1970 to 1980 - the Young Communist League, from 1980 to 1995, the mansion was given to the HCS. In 1995 the building was handed over together with the estate museum-reserve in 2001 called the Museum of merchant life.

House facade with rich openwork carving has several floors: ground floor, built of stone floor with a grand staircase and rooms, third floor - a mezzanine with mezzanine bathroom. Throughout the building preserved oak flooring, stucco ceilings, tiled stoves and amazingly beautiful staircase with chiseled balyasami. Rooms decorated with carved furniture, made by craftsmen Kozmodemyansk tree. In the museum are vintage cupboards, tables, chairs and slides with the dishes of the day. In addition to household items are books, paintings, musical instruments and much more that gives an idea about life of the merchants of the nineteenth century.

The museum tells about the life of a merchant, called the monument of the merchants, who played an important role in the development of the city and turn Kozmodemyansk one of the largest centers of forest trade in Russia in the nineteenth century.