5006085 LEGO Buildable 2x4 Red Brick

LEGO's "Gift with Purchase" (GWP) promotions offer exclusive sets as complimentary additions when customers make qualifying purchases, either online or in-store. These limited-time offers often feature unique builds, seasonal items, or commemorative sets, enhancing the value of the purchase and providing collectors with exclusive content. Examples include the Swing Ship Ride (2021), a miniature amusement park attraction; the Buildable 2x4 Teal Brick (2020), a larger-scale version of the classic LEGO brick; and the Rickshaw and Paifang Gateway (2020), celebrating cultural architecture. Such GWPs not only incentivize purchases but also enrich the LEGO building experience with unique and collectible items.

Gift with Purchase consists of 13 sets that ran from 2017 to 2021. As of today, 5006171 The United Trinity is the most valuable Gift with Purchase set with an estimated new/factory sealed value of $119.