Throwing ourselves into Yo-Yo Heritage Month | National Museum of American History
On This Day June 6: National Yoyo Day — The Greeks Invented This Too! - The Pappas Post
Flores Yo-Yo Invented by Pedro Flores, Yo-yo's have been very popular since it was made in the 1920's. The true meaning of the name "yo-yo" m… | Yoyo, Yo-yos, Yo-yo
Oldest Yo-Yo Dates Back To 400-500 B.C - Ancient Pages