Porcelain sculptures created for speculative or alternative histories often explore themes that blend reality with imagination, offering unique artistic interpretations of "what if" scenarios. One prevalent theme is the reimagining of historical figures or events, where artists depict famous leaders, battles, or cultural milestones with altered outcomes—such as a victorious Napoleon or a unified ancient global empire.

Another common motif is the fusion of disparate cultures, where porcelain pieces combine elements from civilizations that never historically interacted, like Ming Dynasty China meeting Renaissance Europe. Mythological and fantastical elements also feature prominently, with artists crafting porcelain dragons, steampunk-inspired machinery, or alien artifacts embedded in historical settings.

Utopian or dystopian societies are frequently portrayed, showcasing idealized or nightmarish versions of past or future worlds. These sculptures often critique real-world issues through allegory, such as environmental collapse or technological dominance. Lastly, anachronistic humor appears in playful pieces, like dinosaurs in Victorian parlors or astronauts in medieval courts, challenging viewers to reconsider linear timelines.

These themes reflect humanity's fascination with rewriting history, using porcelain’s delicate beauty to explore bold, speculative narratives.