A video tutorial showing how to make a slow rolling ball, it's not really a magic ball, or a fushigi ball, thou it does look a bit like one. It's just a science 'trick' really.
I learned how to make it from this:
http://www.neatorama.com/2010/05/22/ball-rolls-down-an-incline-verrrry-slowly/
But they never show the internal motion, which was annoying. So I made my own and tested if it was any good for contact juggling.
Win win win. Apart from the floor...
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