National Yo-Yo Museum Celebrates Toy's Ups and Downs - Antique Trader
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Yo-yo - Wikipedia
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How to Yoyo with your First Yoyo - YoYoTricks.com
With Ready Player One just around the corner, those of you 80s kids, what was the first yo-yo you had? : r/singapore
First real yo-yo! Magicyoyo crystal : r/Throwers
Recess First Base | Worldwide Yo-Yo Store
Yo-yo - Wikipedia
On This Day June 6: National Yoyo Day — The Greeks Invented This Too! - The Pappas Post
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ancient history - How long ago was the yo-yo first used as a weapon? - History Stack Exchange
Throw Revolution Vertex Yoyo - Yoyoplay
The First Depiction Of A Yo-yo Was In Ancient Greece
What was the 1st ever description of a yo-yo in history? - Quora
Yo-yo - Wikipedia
Duncan First Yo! Yo-Yo – Kazoodles Toys
