Want to kill a few minutes - and be utterly mesmerised at the same time?
Why, look no further than the video above: which shows an array of tricks using between 20,000 and 25,000 dominoes.
It was made by Hevesh5 and Millionendollarboy and cleverly links together clips of tricks they set up over the course of three months. Clearly, these guys have a lot of time - and dominoes - on their hands. And we're glad that they do.
Now watch the extras reel:
(Via Viral Viral Videos)