The LEGO F1 cars that made a splash during the Miami GP drivers’ parade are not just a spectacle—they’re a feat of engineering and creativity. These life-size LEGO models, driven by the F1 drivers during the parade, were an instant hit, but the numbers behind their construction are even more jaw-dropping.

Lego partnered with F1 to bring full-scale cars to life. Most F1 cars can reach speeds of well over 200 mph, but the newest automobiles in the F1 stable go much, much slower. Built from 400,000 Lego pieces,