Christmas is the Seasonal subtheme for LEGO's holiday sets, and new ones come out every autumn. The earliest are small Santa builds from 1999. Many of the smaller sets are given free with purchases in November and December rather than sold, which is how 40410 Charles Dickens Tribute, a scene from A Christmas Carol, reached most people in 2020.
Christmas was introduced in 1999 and currently consists of 120 sets. As of today,
40489 Mr. and Mrs. Claus' Living Room is the most valuable Christmas set with an estimated new/factory sealed value of $279.
Summary
Seasonal Christmas Holiday Bauble White Bricks set 851358 was released on September 2, 2015, retailing for $8, it has since been retired. New, unopened sets are valued at $15, used ones can be found for $12.
Read more