Diy mini Tractor machine at home | Simple science project Use N20 gear motor for this project * Connect with Us: - My channel: bit.ly/2w1CRU0 - Gmail: thangtvmt79@gmail.com Thanks for watching! #Science_project #tractor #ThangEngineer
I guess you went back to crank well that's good too instead of changing and things working at first then only engine works that got to be frustrating but you will get it though you a smart intelligent man i know you will i love these videos and ones similar to it