Simple design museum but more from the angle of Spanish design. I think it was 6 euros to get in…read morebut you get to reuse your ticket for up to 6 months.
Basement floor had an exhibition showcasing winners of a design competition (graphic, ad, fashion, architecture, interior). Other floors had a collection of objects from various modern and past centuries of industrial design, a short history fashion over the centuries which was interesting to see, and examples of Spanish graphic design since the 1980s.
The basement floor has a nice looking cafe which seemed very popular for lunch (ie. After 1pm) and had a good prix fixe deal, starter, main, dessert, drink, bread for 13 euros on a weekday, or 10 euros without dessert.