The 2 or 3 day card entitles the holder to free travel on city buses and trams and to free entry in 32 Krakow museums. The Card is valid on city buses and trams 24h/day & night. Cracow has a rich and varied array of museums. Some of them have beatiful collections of art and are located in some of the city's most architecturally valued buildings. Tourists can also make use of the various discounts on offer in selected shops as well as local trips.