Jenga pieces as a wedding "guest book". then every time you play you get to relive the day :) weddingguestbooks guestbookideas
personalised puzzle custom wedding guest book / http://www.deerpearlflowers.com/rustic-wedding-guest-book-ideas/
Wedding Favor Idea - Personalized stickers on Tic Tacs "Mint to Be"
Tutorial: DIY message in a bottle wedding guest book with FREE printables! Add rubber bands to the messages so they don't expand inside the bottle (and avoid having to shatter the thing)!
Guest Book Idea: each guest takes a photo with a message to the bride and groom and adds it to the guest book (graduation party foods guest books)