Hey everyone I wanted to show you a quick project that I needed to do to solve a problem that I had
check it out and let me know what you think
so I cut out a whole bunch more lol
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neat idea.
Do different color marbles work better than others? 
thats the secret…shhhhh!
blue is the best green if you can afford them
heck I might add a sticker to these and that will balance it to 100,000 rpm
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oh yeah I have seen it done with thin materials and using like steel balls
for my application on this I needed the height
but oh yeah you could play around with this concept to do all sorts of things