Anybody have a Spirograph as a child?

[pinkoos]

I had one way back when so we decided that Santa (ie, my wife and I) would get one for my younger, artisically-inclined son.

Got a good deal on Amazon for Christmas, but now I found this:

http://nathanfriend.io/inspirograph/

Could have saved $11!

By the way, the site won't work on mobile, but you'll get a note letting you know that a mobile app is on the way.