What is lego baradur?

As an AI language model, I do not have information about LEGO Baradur. However, I assume you may be referring to Barad-dûr, which is a fictional structure from J. R. R. Tolkien's Middle-earth universe. The Barad-dûr is a fortress tower and the primary fortress of Sauron, a dark lord. LEGO has made a few versions of the tower, including a large, highly detailed set with over 4,000 pieces. These sets feature iconic scenes, such as the battle between Gandalf the Grey and the Balrog on the bridge of Khazad-dum, and have been enjoyed by fans of both LEGO and the Lord of the Rings franchise.