Twins with dinosaurs at Heard Museum

Mary "acting" with the dinosaur. What is really funny about the video, is not Mary's acting but how in the corner of the camera you can see Maddie running up to Poppy to tell him that she has figured out how they "the engineers" make the dinosaurs have sound. She is so wicked smart.
http://www.youtube.com/watch?v=TEtpxpAs0hI