They were invented in China in 2000 BC for use as weapons against foes.
There is a ancient Greek vase which shows a young boy with his yo yo.
i believe that yoyos eat dog poo
yes They do sell Yoyos
yes
no
alot
of course there a Chinese yoyos in japanica, silly :P china and japanica are like this (crossed fingers)
metal
The 3 types of yoyos are: the classic shape the modified shape(moth shape) the butterfly shape
YOYOS
sure... why not?
They are very cheap.
no as a hunting weapon