The Ups and Downs of Yo- yos

There was a lot of children who played with a Yo- yos, but i think none of them know who the yo-yo originated. The first historical record of yo-yo was in Greece around 500 B.C. They called disc. The most famous brand was Dunca's yo-yo which began on grand scale in1929 by a businessman Donald F. Duncan. He hiring many demostrator from philippines. Then they would perfom some feats with yo-yos and hold yo-yo competitions among local kids. over the next decades, however, yo-yo sales seemed to go and down as oftenas the toy itself did. In 1965 Duncan yo-yo was sued by its competitors. 1999 the A&E network named the yo-yo one of the oldest-known toys.