Metropolis - a K'nex Ball Machine

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Introduction: Metropolis - a K'nex Ball Machine

Direct link to video

 
Finally it's done! Metropolis, my second ball machine. It has a total of 12 different paths, 16 if you count all small sidepaths as well. And it consists of many new elements I designed myself.

I have posted the instructions of some elements here:
Link to Instructions


Building time:            Oct '09 - Aug '10

Dimensions:              Width   1.40 m
                                      Depth  1.15 m
                                      Height 2.40 m

Weight:                        48 kg

Number of pieces:    29.873


Enjoy the video and thanks for looking.

Kairah

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195 Comments

awesome!

Only twenty nine point eight seven three pieces? That's funny I would guess it would be more like somewhere around 29,873

Nice ball machine check out mine

Wow so cool! I think the most amazing part is that you did it with just 3 motors!

alright now give us step by step instrutions :)

what k'nex tubing do you think is best for k'nex ball machines?