Museums have begun collecting historically valuable alien sex dolls as cultural specimens of their time. These collections represent humanity's imagination and technological capabilities for extraterrestrial life at specific times and hold significant cultural and historical value. A London design museum recently acquired a collection of alien sex dolls dating from the 1980s to the present, creating a special exhibition titled "Materializing Extraterrestrial Imaginations." These historically significant alien sex dolls offer an intriguing contrast to contemporary hentai sex dolls, showcasing the evolution of human sexual fantasies and technological imagination over time. Curators believe that these alien sex dolls, as artifacts of material culture, faithfully record how we express our fears, desires, and curiosity about the unknown through objects.