BILLUND, Denmark — LEGO has officially revealed its biggest set in the company’s history: a 12,060-piece replica of the Sagrada Familia, Barcelona’s iconic basilica.
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The set is now available for pre-order ahead of its Nov. 1 release.
The LEGO Architecture set costs $799.99 and arrives as Barcelona celebrates the 100th anniversary of architect Antoni Gaudí’s death. Construction of the real Sagrada Familia began in 1882 and remained unfinished after Gaudí’s death in 1926. Earlier this year, the real basilica reached structural completion with the completion of the Tower of Jesus Christ, making it the tallest church in the world at 172.5 meters.
At 12,060 pieces, the Sagrada Familia surpasses every LEGO set that came before it, claiming the title of the largest LEGO set ever produced. The previous record-holder, the LEGO Art World Map, contains 11,695 pieces. Other major sets include the LEGO Icons Eiffel Tower at 10,001 pieces, the LEGO Icons Titanic at 9,090 pieces and the LEGO Coliseum at 9,036 pieces.
The completed model stands at roughly 2 feet tall, more than 18 inches wide and 15 inches deep. It features a stained-glass window effect designed to mirror the way light moves through the real church.

The set captures several of the basilica’s defining architectural features, including all 18 symbolic towers, three elaborately carved facades and a forest-like interior.
LEGO recommends the set for builders 18 and older, given its advanced complexity. Builders can expect to spend an estimated 25 to 35 hours completing the model.
The set was designed by Rok Žgalin Kobe, a LEGO Architecture designer previously behind the now-retired Colosseum and Taj Mahal sets, as well as the currently available Eiffel Tower.
“We felt an immense responsibility to do justice to the Sagrada Familia through this design,” Žgalin Kobe said in a statement.
The Sagrada Familia is the largest Catholic church in the world. Located in Barcelona, Spain, the massive structure was designed by Catalan architect Antoni Gaudí. When Gaudí passed away in 1926, less than a quarter of the structure was complete. Work on sculptures and decorative details is expected to continue until 2034.
The release comes as 2026 has been designated the “Gaudí Year” — marking 100 years since the architect’s death on June 10, 1926. Barcelona has also been named World Capital of Architecture 2026.
