Place it under the main reaction shot in a family edit, after a camera shutter for a photo reveal, then follow with an anime wow for the grandparents' surprised faces to close the sequence.
About this sound
An 18-second remix built around a baby's bright, bubbling laugh, stretched into a goofy, repeating giggle track. It feels pure and silly, the kind of joyful noise that turns a small funny moment into something contagiously cheerful for everyone listening.