One can never be too old to write on the walls. Or easily take note of an idea - who needs a pen anyway? When you got crayon jewelry to jot down those sudden spur of the moment ideas.
A clever use of color: Ingenious Crayon Rings by furniture designer Timothy Liles. The man is my jewelry pop icon :)
"Will You Marry Me?"
Get on one knee and propose with a crayon ring. Bet she'll love it! :)