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.
Christmas Centerpiece: This table decoration is becoming a hit for every holiday season. Simply flip a wine glass over and place a candle on top. Underneath you can place Christmas ornaments or any other holiday trinkets.