"No one knows the exact origins of the yo-yo, but some believe it was invented in China. No one really has any evidence of that; however, there is hard evidence that the ancient Greeks invented and...
The yo-yo is the second-oldest toy in history, after the 'doll', at least 2500 years old.Antient Greeks made them of wood, metal and terra-cotta, and hunters in the Philippines have used them for...