mr hacker – Chemistry experiments

October 19, 2020

Hello from Mr. Hacker & Team! What secret is an potassium permanganate hiding? What…

November 27, 2018

Subscribe: http://www.youtube.com/c/MisterHacker Top 41 Mr. Hacker’s tricks and experiments compilation Google: https://goo.gl/wK7DH9 Music: 1…