On This Day June 6: National Yoyo Day — The Greeks Invented This Too! - The Pappas Post
Yo-yo - Wikipedia
Who invented yo yo? - Who Invented?
Yo-yo Facts for Kids
Duncan Yo-Yo - The Strong National Museum of Play
Out of this World: A Brief History of the Yo-Yo - The Strong National Museum of Play
Link #87: Ancient Filipinos Used the Yoyo As a Weapon! | Always Learning!
7 cool things you didn't know about yo-yos | Articles | CBC Kids
Pedro and the Yo-yo: Man and Myth — Positively Filipino | Online Magazine for Filipinos in the Diaspora
The origins of the Yo-Yo, one of the oldest toys known to humanity, seen on the side of Greek vases 500 BC
Amazon.com: Original Whirlygig Classic Wood Yoyo : Toys & Games
Classic yo-yo - made in usa | Corporate Specialties
Who Invented the Yo-Yo? Who Invented the Moon Buggy? - dafilms.com | watch online
Pedro Flores brought the first Filipino yo-yo to the U.S. and created a yo-yo company in 1928. The yo-yo he created was d… | Holiday toys, Yo-yo, Place card holders
Yo-yos Were Not Invented by Ancient Filipino Warriors
The Perfumed Nightmare / Who Invented the Yo-Yo? Who Invented the Moon Buggy? - Harvard Film Archive
Did ancient Filipinos really invent the yo-yo? - FlipScience - Top Philippine science news and features for the inquisitive Filipino.