1. Lego City Series: The building blocks of this series include buildings, vehicles and people in the city, which allows you to build your own city.
2. Lego Star Wars Series: The building blocks of this series include various characters and scenes in Star Wars movies, and you can build your own Star Wars world.
3. Le Hi-Tech Series: The building blocks of this series include all kinds of scientific equipment and robots, which can let you learn scientific and technological knowledge.
4. Lego Friends Series: The building blocks of this series include all kinds of cute animals and cartoon characters, which allow you to establish your own world of friends.
5. Lego Harry Potter series: The building blocks of this series include scenes and characters in Harry Potter movies, and you can build your own magical world.
I hope this information can help you! If you have any other questions, please feel free to ask me.