1M-15M
16M-30M
31M-1H
1H 1M -3H
3H 1M +
1 hour and about 410,000 revs
Just over an hour for me.
Probably about 4 hours for me but that was really tiring. Ive kept the ball spinning for 9 hours non stop, slow speed though. Even had my lunch and dinner with my powerball in my hand
lol.
When I first got it, I practiced 3 hours a day!
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