251 bottles of Diet Coke and 1,500 Mentos...

The guys from EepyBird are back, with 251 bottles of Diet Coke and over 1,500 Mentos mints. In Experiment #137, they did a mint-powered version of the Bellagio fountains. This time, it's one giant Coke Mentos chain reaction that has to be seen to be believed.