Pens can be used for a lot more than just writing. Heres 4 cool gadgets to make with them. Learn how to make 2 types of pen guns, a pen prank zapper, and a mini spy pen smoke bomb. Enjoy!\r<br>\r<br>Pen Smoke Bomb Detonator: \r<br>\r<br>Facebook: \r<br>Instagram: \r<br>Playlist of Every Video: \r<br>\r<br>If you liked this video, check out more on my channel
