I made this for everyone hwo likes to scare people on halloween.
Its a simple THING but i wanted something that was light and small but loud this makes around 120DB!
All the parts are easy and cheap to get via alieexpress
i have made a shopping list from the stuff i have used but feel free to find some cheaper parts.
Shopping list: https://bit.ly/2MPLOJU
build video : https://youtu.be/SmeK0-qZcEU
any PLA, ABS & PETG