This was a great outing with my two little kids (5...

This was a great outing with my two little kids (5 and 2). We went on the first Thursday of the month, so admission was free. We parked in the Central plaza garage, which was easy to find with plenty of spaces and $4/hr. Took the elevator up to the plaza level and there was a sign for the Henry. After a short walk to the entrance, we had a peaceful time in the book corner near the front desk, and there was a little room with colored pencils and paper. The picture book selection was excellent
Wandered around a bit in the upper level gallery (there was easy access to restrooms and easy to get around with a small stroller). The Skyspace was lovely. Then we went down a level and had lunch in the sculpture patio where the kids could run around. There was a busy cafe next to that which we bypassed since I brought lunches.
I highly recommend for a peaceful outing for kids (as long as you keep your toddler contained while in the gallery). It didn't have an interactive kids exhibit like Wing Luke has, but we enjoyed it anyway.