Magic Elf Seeds--Use tic tacs and sugar. The kids plant the 'seeds' before they go to bed and when they wake up they are candy canes! Elf on the Shelf could leave the seeds for the kids to plant that night.
LOVE this idea for a wedding invitation card. Add a Song Request card to send back with your RSVP then the music playlist will be what everyone wants to listen to! Especially because I'm having the hardest time deciding the music playlist