Out of this World: A Brief History of the Yo-Yo - The Strong National Museum of Play
How do yo-yos work? | Who invented yo-yos?
Oldest Yo-Yo Dates Back To 400-500 B.C - Ancient Pages
Good Old Days: All About Yoyo – One Dollar Only
When Were Yoyos First Invented? – Yoyoing Blog
Yo-yos Were Not Invented by Ancient Filipino Warriors
Throwing ourselves into Yo-Yo Heritage Month | National Museum of American History
Happy Yo-Yo Day! Yes, Greeks Invented This Too
Yo-yo - Wikipedia
Who Invented the Yoyo? Who Invented the Moon Buggy? (1982) - MyDramaList
On This Day June 6: National Yoyo Day — The Greeks Invented This Too! - The Pappas Post
Who Invented the Yo-Yo? Who Invented the Moon Buggy? - dafilms.com | watch online
Museum of Yo-Yo History
Yo-Yo timeline | Timetoast timelines
Chinese Culture & the Invention of the Yo-Yo - Synonym
Out of this World: A Brief History of the Yo-Yo - The Strong National Museum of Play
The Greeks invented the yo-yo | Ipfactly.com | Ancient greek pottery, Ancient greece, Ancient greece facts
Who invented yo yo? - Who Invented?
Smithsonian Insider – Duncan Genuine Yo-Yo, 1930s | Smithsonian Insider
Yo-yo - Wikipedia
The First Depiction Of A Yo-yo Was In Ancient Greece
Did ancient Filipinos really invent the yo-yo? - FlipScience - Top Philippine science news and features for the inquisitive Filipino.
Yoyo - House of Marbles
Link #87: Ancient Filipinos Used the Yoyo As a Weapon! | Always Learning!
National Yo-Yo Museum Celebrates Toy's Ups and Downs - Antique Trader
