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.
1980 LEGO Sets
1980 refreshed the 12V Train system with remote-controlled points, signals, lighting, and decouplers, creating one of LEGO’s most sophisticated play ecosystems. Classic Space continued its rapid growth with larger craft, bases, and color-varied astronauts. Expert Builder (the forerunner to Technic) advanced functional builds with more gears and linkages, while LEGO Dacta was established to bring learning-through-play into classrooms.