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 ...

It rapper Yo Yo Honey Singh’s birthday today, and we decided to celebrate not by only playing his songs at home but by looking at something he has that we don’t. There are just a handful of people ...

America owes its fascination with the yo-yo mainly to Chicago businessman Donald F. Duncan Sr., who spotted it while on a business trip to San Francisco in 1928. It was being used by Pedro Flores, a ...

Steve Speegle has more than 30,000 yo-yos. He is a yo-yo champion and came out of retirement to do a few tricks. The yo-yo is one of the most popular toys of all time, with plenty of ups and downs.