Metropolis - a K'nex Ball Machine

Presenting, "METROPOLIS"
My tallest K'nex ball tower up to this date.

* Building time *
Oct '09 - Aug '10

Number of pieces: 29.873

* Dimensions *
Width: 1.40 m
Depth: 1.15 m
Height: 2.40 m

Weight: 48 kg

Link to picture slideshow:
http://www.instructables.com/id/Metro...

Instructions for most elements used in this ball machine can be found here:
http://www.instructables.com/id/Metro...

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Disclaimer:
This video is "fair use" under U.S. copyright law because it is noncommercial and transformative in nature and has no negative effect on the market for the original work.
Consider this video as free advertising.

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