Lego made some bricks out of meteorite dust and they’re on display at select stores. It’s part of an initiative to test how well moondust would work as a lunar building material.

The European Space Agency created 3D-printed bricks inspired by LEGO made from 4.5-billion-year-old meteorite dust, a significant step toward lunar construction.

They’ve made some LEGO bricks. Sadly lunar regolith is in short supply in Europe at the moment, so as a stand-in they’ve ground up a meteorite, mixed the powder with a polymer, and 3D printed ...