Toys and entertainment products come and go, but LEGO is forever. The same bits of plastic, interlocking bricks enjoyed by generations are still being sold to kids of all ages at an impressive rate. According to BrickBucks.net, a website dedicated to “LEGO Investing & Collecting,” LEGO produces around 19 billion pieces annually, which breaks down to an average of 36,000 per minute.

How? Extremely efficient automation.

This video showcases how the Minifigures are created. Interestingly, there’s not a single human featured in this edit, which instead shows off an oddly satisfying but eerily intimidating network of sifters, printers, and robots, churning out imagination fodder for the masses.