Lego made bricks out of meteorite dust and they're on display at select stores
Briefly

It's a proof of concept to show how astronauts could use moondust to build lunar structures. Instead of bringing materials from Earth to the Moon, building using lunar resources would be a game-changer.
ESA scientists created regolith by grinding up an old meteorite, turning it into a mixture for 3D printing Lego pieces. Experimenting with space bricks helped understand building techniques for potential lunar bases.
This collaboration is seen as both fun and scientifically useful in exploring boundaries of building techniques for potential structures in space, as there hasn't been a real structure built on the Moon yet.
Read at Engadget
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