Uploaded May 2010 | Updated September 2026, 2 weeks ago

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I passed the 123,456 subscribers mark, thanks!
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Congratulations Annodomino2007! He guessed the exact number of dominos used in this project (6072)....and makes awesome domino projects too, check his channel:
youtube.com/Annodomino2007

Winners in part 1 (guessing how long the fall would be):
youtube.com/techdeck420
youtube.com/Th1s1sMyAcc0untNam3
youtube.com/WooblyShnufflepops