Beyond licensed themes, Lego’s Technic, Creator Expert and modular building series have become cornerstones of adult collecting. These sets often depict cars, urban architecture, fairgrounds and classic retail spaces, designed primarily for display rather than play. Highlights from the collection include the Lamborghini No.42115, Grand Emporium, Detective’s Office, Downtown Diner, Big Ben and Manchester United's Old Trafford Stadium. Such sets are prized for their architectural detail, limited production runs and the ability to form cohesive display streets.
Lego’s close relationship with popular culture is central to its collectability. By aligning itself with globally recognised films, characters and cityscapes, Lego has positioned its products as cultural artefacts as much as toys. Sets linked to Batman, Ghostbusters, Disney and other franchises within the collection further demonstrate how Lego mirrors contemporary entertainment trends while offering a tangible, buildable experience.