Authentic, Realistic, Buildable Cars. LEGO® Speed Champions children's toys feature authentic, realistic, buildable cars from iconic brands such as Bugatti, McLaren, Mercedes-AMG and Mercedes-AMG Petronas Motosport, plus all-new Ferrari, Ford and Porsche models. Car-mad kids will love building beautifully detailed LEGO brick replicas of classic cars, sports cars, endurance cars, iconic cars and race cars, and then playing out their driving dreams as they compete against friends to be first past the finish line.