About 2 Squares.

El Lissitzky's 1922 children's book Suprematicheskii Skaz, has the following instructions:

Don't read this book Take --
paper. . . .fold
rods . . . .color
blocks of wood . . . .build

The above pages, 6 and 7, have the squares 'flying from far away' approaching the earth and 'finding a black mess.'

I never thought I'd find an online version. I should have looked. Been hoping for a paper version, but the MIT version's a goner.