Yo-Yos
My son got me hooked on a toy I thought was extinct. Life has its ups and downs and a good way to unwind is to wind up a yo-yo throw the stress away. I found a mountain of tricks at a web page with very little commercial hype. Even if you never plan to hurl one, you may have an interested relative that would appreciate these pages and pages of tricks. Try:
http://www.iwc.com/cosmicyo/index.html