6 IDEAS FOR INVENTING ALARM SIREN

[@ddndiy105]

Discover My UA-cam Channel ↓
ua-cam.com/channels/tPD75dBXxTcZhbOnGgahjA.html

[@patriklos7]

3:28 I see... THE CZECH REPUBLIC WHERE I LIVE

[@carlosontiveros2975]

number 5 is the easiest and requires no batteries!🤗

[@cancel1913]

Music so loud that you can't hear the alarm! LOL

[@NorminaYusop-Bacar]

5V Buzzer Alarm Sounds like a Alarm
So Cool i Like It

[@Thane-e5w]

I DONT KNOW WHAT THAT THING IS THE LVL 1 SIREN

[@daliabautista1290]

What are the materials in the second device?

[@Imtoliry]

zumbador de alarma de 5V

[@rashy_pretzelz]

Why do i saw vietnamese texts? 8:06

[@jesusgonzalez2722]

You're a copy of the Brightside

[@diminishingreturns_]

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