Take the funicular to Pfänder, from where you have the best views over Bodensee.
Visit the Affenberg Salem, Unteruhldingen Pfahlmuseum is very interesting, or the Zeppelin and the Zeppelin Museum at Friedrichshafen airport, or Lindau with all its attractions, not forgetting the Sea Life in Bodensee.
The Ravensburger games and the country are located in Minimundus Meckenbeuren! Austria and Switzerland are only a few kilometers away.