For today’s Phun Phriday post, I have a couple of amazing videos created by people who have way more imagination, time, and dominoes than I do! Both of these videos come courtesy of LaughingSquid.com. Some dominoes sources are: Marbles, The Brain Store and Bulk Dominoes (recommended by Hevesh5, who created the 1st video).
http://laughingsquid.com/22000-dominoes-fall-in-mind-bogglingly-elaborate-setup-by-hevesh5/