Making a simple invention with a pen battery

Join this channel to take advantage of the privileges:
/ @inventorman
How to make a simple invention with a Pen battery at home today? i want to show you.
Thanks for watching!!
Tools and Materials:
battery, utility knife, resistance wire, tape, matchstick
#ideas #inventions #self-help
Instagram: ...
WARNING: My videos are for entertainment and viewing purposes only. Please don't try to do what I do in my videos. No one is responsible for any loss or damage caused by your reliance on the information contained in my videos. Have fun but always be safe and everything you do is AT YOUR OWN RISK!
Thanks, Make Your Own Design, Have a Good Look...