Download C.A.T.S. for iOS and Android for free and get exclusive bonuses: br In today's video I want to show you unusual project paper shreddering machine. It's quite simple to build, just follow instructions from the video. Materials you need: cardboard, motors with gear, tin sheet, wood and few wires!br br If you like this video don't forget to follow :)br br Production Music courtesy of Epidemic Sound www.epidemicsound.