Mighty Will at the sprinklers in Russell Sage park.
Awesome, I geeked out and sent a pic from my phone. It's a couple of weeks old, but still cool. Thanks to Stacey for leading me into a new level of geekdom, hee hee.
I'm a children's librarian, so I read a LOT of kids' books. I review them at http://momreadit.wordpress.com