Explaining Santa to an older child doesn't have to be heartbreaking. Here's how to keep the Christmas spirit alive for your older child!Get a personalized letter from Santa for your child! Santa Claus Writes a personalized letter to your child. That will remind them about what they already have. For more than seventy years, we've put smiles on the faces of millions of children all over the world with our personalized Santa letters. Washington's DLO took to displaying the oddities in glass cases. Daily Press: Newport News, Virginia 1932: "Dear Santa Claus: I am a little girl eight years old. Use a spellchecker or read your letter out loud to catch any mistakes. Ask another adult or older child to double-check your work.