123,456 Dominoes, One Epic Chain Reaction [Video]

If you think knocking over dominoes is just a matter of yelling “Go!” and hoping for the best, prepare to have your brain pleasantly short-circuited.

This epic 123,456-domino chain reaction sprawls across an entire gym and is packed with clever surprises, side quests, and Rube Goldberg-style transitions that are just as entertaining as the dominoes themselves. Yes, the builders even set a Guinness World Record with a 29,193-piece 3D pyramid, but somehow that’s almost an afterthought.

Whether you’re here for the engineering, the satisfying cascade of falling dominoes, or just to see what crazy mechanism comes next, this is 8 minutes of pure kinetic entertainment that never stops finding new ways to surprise you. Check it out!

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