209896
Two young girls crying get progressively louder. Cute.
138542
Kids scream even louder when other kid screams "quiet!"
621362
Twin tot boys touch a car outdoors and each time they touch it, the horn honks and they scream and shake excitedly. At 1:30:00 there is a louder horn and they each think something is wrong before they resume touching the headlight and squealing from the honk.
103373
Little boy counts to 10 and dad asks him to count high. Boy counts to 10 again in a higher pitched voice.
699540