The displayed eggs originate from 19 countries and 55 regions. They were made by 160 known and more unknown egg ornamenters, by more than 30 kinds of techniques (horse tail covered, wired, strow covered, painted, scretched, batiqued, etc.) A number of applied art works are also displayed in the museum. These are compositions made of wood, mineral, stone or glass, formulate dinto egg shapes.

The house was built in the 19th centuary. Its name was given after its blackened walls. The house made an important role in the political and literary life of the town. The exhibitions were opened here in 1985 - after a thorough renovation work of the building. At present a social historical permanent exhibition is held here is, but the hall sometimes offers temporal exhibitions as well, mostly in the fields of applied arts, history and literature.