My 12 year old son is passionate about yo-yos. Since his Science teacher started the whole school into yo-yoing, he bought three different kinds of yo-yos and became a very proficient player. On May 23, we spent hours at the 2009 Bay Area Classic Yo-Yo Contest at the Golden Gate Park, in San Francisco. My son and his teacher networked, met the experts, learned new tricks, and watched amazing competitors. I then suggested forming a yo-yo club in Windsor, which Mr. L took seriously. So, if you live...