MAMAs b0y | Minecraft: Redstone Domino Effect Contraption - Floating Minecart Rails, Sand Cannons, Redstone @MAMAsb0y | Uploaded November 2013 | Updated October 2024, 2 hours ago.
This is a video of domino effect with redstone and other elements, if you really like the map and want to see it yourself or you think something is fake, just send me your e-mail address in a private message or add me on skype and I'll send you the world files so you can play the world self.

Skype name: twocodlosers

How to build the cannons in the video: youtube.com/watch?v=Mb5-SXNpNr0