Did ancient Filipinos really invent the yo-yo? - FlipScience - Top Philippine science news and features for the inquisitive Filipino.
Out of this World: A Brief History of the Yo-Yo - The Strong National Museum of Play
Yo-yos Were Not Invented by Ancient Filipino Warriors
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Out of this World: A Brief History of the Yo-Yo - The Strong National Museum of Play
Yo-yo - Wikipedia
Etymology and History of the Yo-Yo - A Chimborazo!
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National Yo-Yo Day: June 6 | Smithsonian Institution
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Yo-yo - Wikipedia
Yo-yo - Wikipedia
Museum of Yo-Yo History
BIND: A Brief History of The Yo-Yo - YouTube
Yo-yos Were Not Invented by Ancient Filipino Warriors
Did ancient Filipinos really invent the yo-yo? - FlipScience - Top Philippine science news and features for the inquisitive Filipino.
Wooden Yo Yo | Historic Jamestowne
What is The Origin Of The Chinese YoYo ? - Juggle a Lot
History of the yo-yo — King Community
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Did ancient Filipinos really invent the yo-yo? - FlipScience - Top Philippine science news and features for the inquisitive Filipino.
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yo-yo - Wiktionary
Museum of Yo-Yo History
Link #87: Ancient Filipinos Used the Yoyo As a Weapon! | Always Learning!