this pop ewe this popular toy affect your child? >> heere's what the impetus is n this, rosa. it's the whole idea of elf on the shelf. if you're telling your child you 'got to be careful, if you do something that's bad or something that's so the key here is for the parents to keep it positive, keep it upbeat, and use the "elf on a shelf" as positive reinforcement for good behavior. don't focus on the bad behavior and how that's going to be reported to santa. >> and what about age? does it need to be age appropriate? >> yeah. i think certainly when you're working with children, you need to be careful as to how you approach them with "elf on a shelf." the younger they are, the more they're going to believe in that mythical character, the more they're going to believe in santa, and the more they're