itnewsbot, What Does It Take For a LEGO Car To Roll Downhill Forever? - Cars (including LEGO ones) will roll downhill. In theory if the hill were a treadm... - https://hackaday.com/2023/07/31/what-does-it-take-for-a-lego-car-to-roll-downhill-forever/ #prototyping #treadmill #toyhacks #lego