The LEGO Architecture San Francisco set (21043) is a complete set featuring 565 plastic pieces to build the iconic skyline of San Francisco. With its intricate design and attention to detail, this set caters to building enthusiasts aged 12 and up. Released in 2019 and now retired in 2021, this set is a collector's item that comes in its original packaging. The set includes famous San Francisco buildings like the Transamerica Pyramid, Golden Gate Bridge, and Alcatraz Island, making it a must-have for LEGO fans interested in architectural landmarks.