If you're eager to add some extra culture to your vacation, put Keski-Suomen Museo on your must-visit list. Check if guided tours are available or just look around at your own pace.
You'll have no end of sightseeing choices in Jyväskylä. Keski-Suomen Museo is a good place to start here, but there are plenty of other worthwhile spots to consider. University of Jyvaskyla, Laajis Ski Resort, and Alvar Aalto Museum are near the museum and will round out your day nicely.