what is the point of elf on a shelf

The Elf on the Shelf is a popular Christmas tradition where a Scout Elf is adopted by a family and serves as a magical friend and helper throughout the holiday season. The Scout Elf is responsible for reporting back to Santa about the behavior of the children in the family, in exchange for which the Scout Elf is rewarded with a new home in the North Pole at the end of the holiday season. The Scout Elf also brings joy and magic to the home with various tricks and activities.