Museum of Yo-Yo History
The Secret Life of Yo-Yos - The Atlantic
Oldest Yo-Yo Dates Back To 400-500 B.C - Ancient Pages
When was the modern yoyo invented? – When was it invented?
Did ancient Filipinos really invent the yo-yo? - FlipScience - Top Philippine science news and features for the inquisitive Filipino.
Who Invented The Yoyo? Who Invented the Moon Buggy? - Doclisboa 2018
The Secret Life of Yo-Yos - The Atlantic
Yo-yo - Wikipedia
Chinese Culture & the Invention of the Yo-Yo - Synonym
Duncan Yo-Yo - The Strong National Museum of Play
When Were Yoyos First Invented? – Yoyoing Blog
Yo-yo - Wikipedia
Yo-yos Were Not Invented by Ancient Filipino Warriors
Pedro and the Yo-yo: Man and Myth — Positively Filipino | Online Magazine for Filipinos in the Diaspora
Did ancient Filipinos really invent the yo-yo? - FlipScience - Top Philippine science news and features for the inquisitive Filipino.
Pedro Flores (1896-1963) - Inclusity
No. 2796: The yo-yo
On This Day June 6: National Yoyo Day — The Greeks Invented This Too! - The Pappas Post
NYC Educator: Yo!
Yo Yo Ups and Downs | Lemelson Center for the Study of Invention and Innovation
Happy Yo-Yo Day! Yes, Greeks Invented This Too
Throwing ourselves into Yo-Yo Heritage Month | National Museum of American History
Yo-yo - Wikipedia
Flores Yo-Yo Invented by Pedro Flores, Yo-yo's have been very popular since it was made in the 1920's. The true meaning of the name "yo-yo" m… | Yoyo, Yo-yos, Yo-yo
Did ancient Filipinos really invent the yo-yo? - FlipScience - Top Philippine science news and features for the inquisitive Filipino.
