As J.W. and I were talking this morning about the TV shows on tonight he mentions that CBS will replay 'The Elf On The Shelf'. J.W. had no idea what the elf was and I had to explain it to him. Its all about an elf that watches your kids to make sure they are being good and flies back to Santa every night to report in. You can't touch them or they will lose their magic.  The kids even get to name thier elf. I have a 3 and a half year old and yes the elf is on our shelf. There is even one for my daughter that will be born next Friday. I had no idea about this until a couple of years ago. Do you have an elf on your shelf?