At Ulm the Danube is achieving navigable. Every year there is a festival with all the countries through which the Danube flows. There are are a lot of activities and a Arts and Crafts Market with sellers and foods from the 10 countries (Germany, Austria, Slovakia, Hungary, Serbia, Romania, Croatia, Bulgaria, Moldova and the Ukraine) of the Danube.
The festival is on both sides of the river. For getting on the other side you can take the solar ferry.
The products which are sold at the market are usually handmade.