How big can a loop get before a LEGO car simply refuses to cooperate? In his latest video, Youtuber Brick Technology puts LEGO engineering to the test by sending cars through loops that keep getting larger, from 30 cm all the way up to 100 cm. Each increase in size means tweaking the motor, gearing, weight, wheels, and axles to keep the car moving fast enough to stay on track. Check it out!

[Via TA]