Annoying sound maker!
AtomSoftTech's Atomized Annoy-O-Tron Takes the Beeper You Love to
Building an Annoy-a-tron Clone. This project is entirely open
Annoyatron - Part I: The Hardware
Twinkie's 2019 Holiday Ornament from TwinkleTwinkie on Tindie
Eychin PCB Annoying Beeper Prank Device Funny Hidden Noise Maker
Homemade Annoy-a-thing (Annoy-a-tron) : 4 Steps (with Pictures
da bomb Fully Assembled Conference Badge from Team Ides on Tindie
SHENGSEN Mixed 3 Pack Hidden Annoying Beep Office
Toyvian 15 Pcs Buzzer Annoyatron Random Stuff Intermittent Sound