The Elf on the Shelf

One of the topics for my procreation and parenthood class this past semester was lying to children: is it less bad than lying to adults?  One of my students told of a currently popular type of lie, illustrated by the picture above.  Actually, there are two lies here, one addressed to adults, and one to children.  The lie to children involves the elf figurine, who is supposed to be set on a shelf,