The most basketballs spun simultaneously is 28 by Michael Kettman of St. Augustine, Florida, USA, on 25 May 1999 on Guinness World Records, London, UK. The balls used were regulation Franklin Hardcourt No. 1 basketballs, and he spun them on a specially designed frame, for 5 seconds. He almost managed 29 but one stopped spinning too early. This clip was shown on Guinness World Records, Sydney, New South Wales, Australia.