This guy made a DIY air conditioner with cardboard. He assembled cooling fans, a battery, and a switch with the help of glue and created this unique invention. Towards the end, the guy put some ice in a box inside his air conditioner and switched it on for cool air.br br *The underlying music rights are not available for license. For use of the video with the track(s) contained therein, please contact the music publisher(s) or relevant rightsholder(s).