This Domino Course Powered By Matches And Candles Is
YouTuber Kaplamino is a genius when it comes to dominos and marble runs. His latest effort uses fire (matches, candles, sparklers, etc.) to power a chain reaction domino course, and it's incredibly inventive stuff:
We've previously highlighted Kaplamino's magnetized marble run, which was no less inventive and is well worth a watch (or another watch, if you've already seen it):