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 ...

The yo yo, *** toy with *** history stretching to ancient times, eventually taking the world by storm becoming one of the most iconic children's toys to ever exist. But what did it take to get this ...

One Drop Design is the last yo-yo manufacturer based in the U.S. Here's why David Metz and Shawn Nelson keep the yo-yo ...

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 ...