To provide a brief summary, more than 100 competitors from around the Boston area will spend the weekend undergoing a series of challenges to build things out of LEGOs.
At the end of the weekend, the winner of the competition will be offered a full-time job as LEGOLAND Discovery Center Boston's "master builder." LEGOLAND is expected to open in Somerville's Assembly Row in May.
The competition takes place at the Copley Square branch of the Boston Public Library, in the library's changing exhibit room (access on Dartmouth Street).
It's free and open to the public, and spectators are invited. You can watch the competition from 10 a.m. to 5 p.m. on Saturday and from 1 p.m. to 3 p.m. on Sunday.