The California State Yo-Yo Championships is one of the larger yo-yo contests in the United States. Players travel from across the country to show off their amazing tricks and combos, hang out with friends, and compete for thousands of dollars in prize-money.
This video showcases several amazing yoyo (and kendama!) tricks that were filmed at the contest.
Music: Luv(sic) Part 5 featuring Shing02 by Nujabes
Vimeo version here.