We have young kids, so I can't speak for the activities geared to older kids, but my children absolutely adore OMSI. Especially the science playground, a newly remodeled indoor playspace for kids under 6. They have a sandbox, a water area, a fabulous craft area, a cushy reading spot, a nice area for babies to crawl around (with a crawler's level aquarium), a mock grocery store, a corner with a table and bins full of cool manipulatives, a kid-scale erector set-type area, stuff to make noise with, and a billion wooden blocks. I'm sure I'm leaving stuff out, because there is so much to do. The science playground is a fantasy-preschool set-up, where you get to play teacher for your kids. If you are especially interactive, there is an endless amount of learning that can be done here. Kids who are kinesthetic learners will be especially at home here. I also have to mention the nursing mother's room and the family bathroom with a little potty. My potty-trained daughter tells me this is her favorite potty at a moo-zeem. Get a membership and come every week! Discount if you have AAA.