The new Slovenian Ethnographic Museum, housed in the 1886 Belgian Barracks on the southern edge of Metelkova, has a permanent collection on the 3rd floor. There's traditional Slovenian trades and handicrafts - everything from beekeeping and blacksmithing to glass-painting and pottery making - and some excellent exhibits directed at children. Temporary exhibits are on the 1st and 2nd floors. Allow extra time for this one; it's excellent.