[watching guests arrive for Andy's party]
Rex: Any dinosaur-shaped ones?
Hamm: Oh, for crying out loud, they're all in *boxes*, you idiot.
Rex: They're getting bigger...
Slinky Dog: Wait, there's a nice little one over there.
[boy turns around, revealing the full length of the box he's carrying]
Rex, Hamm, Slinky Dog: AAAAAHH!