There are a myriad things going on at your local library every day. Go online for a schedule of their story times, puppet shows, book groups, instructional classes, meetings, and more. Not to mention they have a ton of great books.
Make an edible house as a family or pay a little extra to make sure everyone has a home to ingest later. Explore the museum as your creation dries and finish with a photo of you and your dessert abode.