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.
We're not sure why an acupuncturist is putting this on, but there will be lots of activities to get the kids excited about the natural world around them. Bring something for the potluck. 1:30-5pm. Free.