Surprise enemy spies with the sound of your own voice.
Having trouble with people snatching your top-secret stuff? Need help getting some privacy? Here’s a sneaky gizmo you can make to keep those snoops away. It’s a Talking Booby Trap: record your personalized message or sound effect, then hide it in a strategic place. When it’s disturbed, the intruders will hear your surprise warning message telling them to “Get lost!”