For 400, the yo-yo originated as a weapon from this country.
What is the Philippines?
Huh. I thought that was just an urban legand. :o 
shrug
What is China?
the “yo-yo” name derives from the phillipines however the toy cam from China. Chinese kids played with two wood, metal, or potery disks fashioned together with a small rod and painted, then a piece of string tied to the rod and the other end to a finger. Gees… I never thought a project on “STRANGE FACTS OF CHINA” would pay off from 9th grade.
X is right. It is from China. And no, it’s not an urban legend.