Okay, I'm re-doing this post to include directions on building a k'nex swift. I've seen a couple of them on blogs and on craftster, but no instructions. So here's how I made mine.
First, here's the pieces of the base, partially assembled, so you can see which pieces I used:

They get put together like this: (Hi, Baby Sister!)





Now I guess I need to make a ball winder. That seems a bit more complicated, though. :)
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