The Lego Hidden Side The Lighthouse of Darkness (70431) is a complete set with 540 pieces, themed around the Hidden Side series. Released in 2020, this retired set features a lighthouse design that offers an engaging building experience for fans of Lego building toys. Made of durable plastic, this sealed box set includes all the necessary pieces to construct the intricate Lighthouse of Darkness, making it a desirable collectible for Lego enthusiasts in Denmark and beyond.