what is an elf on a shelf

An elf on a shelf is a toy that has become quite popular in recent years. It is a small elf figurine that is placed on a shelf or in a prominent location to serve as a decoration during the holiday season. The elf is said to have magical powers that allow it to monitor the behavior of children and report back to Santa Claus on whether they have been naughty or nice. It has become a popular tradition for families to adopt an elf on a shelf each year and display it as part of their Christmas decor.