June 6 marks National Yo-Yo Day, a celebration of one of the world's oldest and most enduring toys. The date honors the birthday of Donald F. Duncan Sr., the entrepreneur who helped turn the yo-yo ...

It may not be an Olympic sport yet, but yo-yo play is serious business. Especially in Cleveland this week, where the world’s most skilled yo-yo players are gathering for The World Yo-Yo Contest. The ...

PLEASANT HILL, Calif. (KTVU/BCN) - The Bay Area Classic Yo-Yo Championships, one of the longest-running and largest yo-yo contests in the United States, came to Jack London Square Saturday. Having ...

Got an extra 400 bucks? How about spending it on a yo-yo? A really nice yo-yo, a state-of-the-art, forged-magnesium-alloy, ultralong-spinning yo-yo. Later this year, Duncan Toys, a seller of ...