Lego Useless Machine ULTIMATE TUTORIAL (power functions & L-motor required)

qna:
q: how you able to find that tutorial or you made that yourself?
a: i watch video names LEGO Useless Box - Betwixt the Bricks (Ep 2) and build it without tutorial
q: dose it work with m-motor?
a: yea but i dont have m-motor to test and make with it, sorry
q: how long did you figer it out of how to build it without tutorial?
a: 40-50 min

music used 1: Elektronomia - Sky High
music used 2: Elektronomia - Sky High pt. II
music used 3: NIVIRO - Flares
music used 4: Jim Yosef - Speed