On Amazon right now you can get this popular LEGO Star Wars 75146 Advent Calendar Building Kit (282 Piece) for only $39.73! I am surprised this set is still available because the LEGO Advent sets usually sell out quickly.
This will ship free with Amazon Prime or qualifies for free Super Saver Shipping with a $49 purchase.
Note: Amazon prices and promotions can change at any time. The price(s) listed in this post is/are subject to change.