Leave it to Martha Stewart to create the cutest DIY checkerboard out of canvas, an eraser stamp, and bottle caps. Collect bottle caps in two colors (you'll need 12 for each side), or paint the tops of mismatched caps to create playing pieces.
Quick Craft - Craft Stick Dolls Popsicle Stick Dolls for American Girl party - make one to match their AG dolls. Maybe even have a game where you put all the sticks in a hat and pick one. Need excellent hints on arts and crafts?