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 ...

Yo-yo champion Harrison Lee explains yo-yo tricks in 26 levels of difficulty. Starting with tricks using an unresponsive yo-yo, Harrison progresses until he's popping the yo-yo into the air, and ...

On September 27, 1929, the Cincinnati Post ran a photograph of a comely young flapper staring at a yo-yo, accompanied by a drawing of the toy in action. Under the headline, “It’s A Yo-Yo,” the ...

The Duncan Family Yo-Yo Collection consists of papers, photographs, advertising materials, scrapbooks, clippings and audio-visual materials. These materials trace the rise and fall of the companies ...