New Jersey mom Mary Grego says the best part of her creative Elf on the Shelf displays is watching her two kids smile and seeing their "eyes glisten" Georgia Slater is a staff editor on the ...

3 of 10 Which Christmas-time phenomenon involves a popular holiday product parents place around their home to “monitor” if kids are being naughty or nice? Reindeer on the Roof Elf on the Shelf ...

Once placed on display on a shelf or other prominent spot in a family’s home, the elf goes on a journey at night (to visit Santa and report if kids in the household were naughty or nice that day ...