What should parents tell their children about Santa Claus?

Tell them the little tale on how Santa lives in the north pole with mr.s claus. He has small elfs with pointy ears and feet that make presents for all the boys and girls. He has a list of those who are and nice, and those who are get cold. Then on Christmas he flys around on his sled with his reindeer with roudpulph with the glowing nose in the lead. He sends gifts to everyone by going threw there chimmenys. [: