The LEGO Classic Space was introduced in 1978 and was the first space theme. It features sets with peaceful space explorers with no enemies unlike other LEGO space sets. There were 5 astronaut minifigures the wore the same suites but in various colors including blue, red, white, yellow and black.
1983 LEGO Sets
In 1983, LEGO released the LEGO Castle theme, which transported builders to medieval times with knights, castles, and dragons. This theme's emergence allowed children to delve into historical and fantasy-based narratives, building and role-playing epic battles and legendary tales. Additionally, the Duplo line, aimed at younger children, was further enriched.