The "Christmas kids" refers to the children who are part of Santa Claus' tradition of spreading holiday joy and goodwill. These children are known for their kindness, generosity, and faith in the magic of Christmas. They are often responsible for spreading the spirit of the season to others and reminding us of the importance of giving and sharing with those in need. They also play an important role in helping Santa Claus deliver presents to children around the world, as they often help prepare and package gifts for his sleigh.