9 Videos
Interesting and practical tricks
2 Videos
How to make a flashlight
3 Videos
How to make a voltage booster circuit
3 Videos
How to make a power bank
3 Videos
How to make heaters and coolers
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About
Welcome to my channel DIY inventor 13,
I will show you inventions and scientific experiments every week, subscribe to the channel so you don't miss the opportunity.
Warning: Enjoy but always remember to be safe, whatever you try is at your own risk, thanks…
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