Lego Interactive Rolling Obstacle Course!

Hey Everyone, I turned the treadmill into a unique rolling tank interactive obstacle course! The treadmill users 4 powered up L motors using a 5:1 gear ratio. The Lego tank users 2 L motors and the train powered up smart hub. #lego #brickexperiment #legoexperimental #extreme #rc #legotechnic #legocar #legomoc