It is a small circuit using two 555 timers to create a repeating short buzz.
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ELK DESIGNS Prank Kit - Funny Prank Toys - Kids Prank Gadgets - April Fools Prank Kit - Gags & Practical Joke Toys - Pranks for Kids - Gag Box
It is a small circuit using two 555 timers to create a repeating short buzz.
Buzzing Prank Toy
It is a kit that contains all the material necessary to make the grain monitoring pcb required to set up the grain monitoring system.
Grain Monitoring PCB Kit
Buzzing Prank Toy from Farm Hacking on Tindie
A monostable 555 timer circuit that is made to look like a light up Easter Egg
Easter Egg 555 Timer
Hilarious, Realistic Fake Animal in Walls Sound Prank. Practical Joke Noises Trick Friends and Family. Funny Gag Gift for April Fools, Secret Santa, Christmas Stocking Stuffers or Xmas Holiday Party
Yardwe 72 Pcs Simulated Funny Halloween Playthings Halloween Novelty Prank Scary Toys Scary Toy Halloween Bag Filler Treat Bag Fillers Fake Bugs Turtle Child Creepy Plastic : Toys & Games
DIY Electronics on Tindie