The Shiniest Treasure

Grammy: "Let's find the Shiniest Treasure that will make all's Lives the Shiniest/Best possible things/benefits/wishes, dear Bright friends! But first, how can we get Grampa out of the chimney? Whom is that impressively huge being we have seen flying (it's even bigger than our cute beauty Grampa!)? And what is the Shiniest Treasure that lasts and gives forever? (WOW!) ...Let's find out: "On with the flashlights"! u***.