I tried to get photos of Parker showing off his new skills (raising his arms over his head like he just won first place in a marathon, clapping, and making his powering up face). I don't know if the photos quite do them justice, though. Especially the powering up face -- it works better in person. So here's a tour of Parker's faces and arm-moving abilities:
Victory! He does this randomly and it always makes me laugh.
A rare combination: victory...........WITH A POWERING UP FACE!!!!!