Prank wars.

Works exactly as intended. Perfect volume for it to be realistic.

I've seen others say it sounds like a bird. Which certainly may be true for someone who's never seen a bird or a cricket before.

Has 3m tape on the back for more hiding opportunities. I'm thinking like, underneath the couch, stuck to the bottom so even if they look under, they won't see anything on the floor. Maybe behind a picture frame.