Most F1 cars can reach speeds of well over 200 mph, but the newest automobiles in the F1 stable go much much slow. Built from 400,000 Lego pieces, the life-size Lego cars can drive 12 mph—not bad for a bunch of plastic bricks.

It sounds like a 10-year-old's wildest dream: Take nearly 400,000 Lego bricks and build a life-size Formula 1 car capable of completing a lap of the Miami Grand Prix circuit. The ambitious idea came about last year as the Danish company's senior management was visiting its model production factory in Kladno,