Bluey is a subtheme of Duplo introduced in 2025 and currently consists of 3 sets. Most sets were released in 2025 which accounted for 2 sets.
The LEGO DUPLO Bluey subtheme, based on the popular animated children's show Bluey, follows the adventures of a six-year-old Blue Heeler puppy and her family. Designed for preschool-aged builders, the sets feature larger bricks and simple builds that capture key locations and characters from the show, encouraging creative play. Released in the summer of 2025, the initial sets included Bluey's Family House with Memory Game and Ice Cream Trip with Bluey and feature Bluey in LEGO Duplo figure form.