OK GO Rube Goldberg Machine and Making Of

If you haven't seen this video, check it out:

And if you have seen that video, check out this video describing how it was done:

In a different interview, I saw that the video production folks did end up making the video with two takes - the upstairs was one take that was combined with a different downstairs take. In both takes, the machine worked properly but the camera work was better upstairs and downstairs in different takes.