What is a yo-yo? I have seen the term a few times on here, and I am not familiar. What is it, what would you use it for?

This will show you yo yo's and them made into quilts. They also make other items out of them too :D:D:D

http://www.google.com/search?q=yo+yo...ls=org.mozilla:en-US:official&client=firefox-a