The Way Things Go (Original version: 1987)
This is a short excerpt from the 30-minute film Der Lauf der Dinge (The Way Things Go) by Swiss artists Peter Fischli and David Weiss, one of the most extraordinary chain reaction videos ever made.
The complete film is currently available from Amazon on DVD.
http://www.amazon.com/Way-Things-Go-Peter-Fischli/dp/B0031REQG8/