Asteroid Boxes are containers found in asteroids where The Children are 'born'. Their contents are yet to be revealed. is seen in a cupboard in Mars' kitchen. It was placed there by Mars' parents because they wanted him to not care about it, this suggest it contains something he's not meant to see.
Appearance
At first glance it looks like an ordinary cardboard box. It is beige in color and relatively small. On the back side it has symbols, similar to ones seen on the computer in the superstructure.
Contents
Completely unknown. Presumed to be connected with Mars' origin.