"Looks like it was designed by Dr. Seuss," one YouTube commenter wrote.
The inventor says in the video that the magic of his gizmo is that "gears are not supposed to mesh in a triangular grid. This is a demonstration that gears can actually turn in a triangular grid."
Whatever you say, Oskar. We're just going to keep watching and fall into a trance.
If you're interested, Van Deventer later breaks down how he built it. However, he admits, "I'm not really sure about the mathematics of this whole contraption but at least it's fun to watch."
H/T Laughing Squid