Every kid who's ever worn a puffy winter coat has already been in astronaut training. This four piece set just gives that instinct somewhere to live, with one chubby-cheeked little astronaut floating through a whole cosmic story across your wall.
He kneels on a moon rock peering through a brass telescope, rides a rocket like it's a bicycle, drives a lunar rover with the focused seriousness only a toddler can manage, and waves from a satellite with Earth curving below him. The palette stays in those deep midnight blues and soft violets, dotted with hand-painted stars, so the whole set reads as one continuous sky rather than four separate scenes. His round cheeks and wide-eyed expression are the throughline that ties it all together.
This is the kind of astronaut wall art that works because it's not trying too hard. It's cosmic boy room decor that feels tender instead of loud, so it settles into a nursery, a kids' bedroom, or even a busier playroom without competing for attention.
Hang all four in a grid or spread them down a hallway as moon rocket prints that tell a bedtime story on their own. Outer space nursery decor doesn't get more specific than this, and specific is what makes a kid actually stop and look up.