Who invented yo yo? - Who Invented?
Chinese Culture & the Invention of the Yo-Yo - Synonym
Yo-yo - Wikipedia
Out of this World: A Brief History of the Yo-Yo - The Strong National Museum of Play
When Were Yoyos First Invented? – Yoyoing Blog
Throwing ourselves into Yo-Yo Heritage Month | National Museum of American History
Yo-Yo - History's Best Toys: All-TIME 100 Greatest Toys - TIME
Museum of Yo-Yo History
How do yo-yos work? | Who invented yo-yos?
Oldest Yo-Yo Dates Back To 400-500 B.C - Ancient Pages
Yo-yos Were Not Invented by Ancient Filipino Warriors
The Secret Life of Yo-Yos - The Atlantic
Throwing ourselves into Yo-Yo Heritage Month | National Museum of American History
Yo-yos Were Not Invented by Ancient Filipino Warriors
A Rich History of a Simple Toy Called the Yo-Yo
Link #87: Ancient Filipinos Used the Yoyo As a Weapon! | Always Learning!
Pedro Flores (1896-1963) - Inclusity
Yo-yo - Wikipedia
Happy Yo-Yo Day! Yes, Greeks Invented This Too
The First Depiction Of A Yo-yo Was In Ancient Greece
Yo-yo - Wikipedia
Who Invented The Yoyo? Who Invented the Moon Buggy? - Doclisboa 2018
Smithsonian Insider – Duncan Genuine Yo-Yo, 1930s | Smithsonian Insider
No. 2796: The yo-yo
Yo-yo - Wikipedia
