- Bring some full-throttle Formula 1 action to your kids' playtime with this LEGO City set- Build two awesome Williams Racing and Hass F1 cars for some high-octane fun- It includes two driver minifigures decked out in their team's colours- Pop the drivers in their cockpits and let your kids' imaginations run wild- The LEGO Builder app lets kids track progress, rotate models and zoom right in on the build- It's the perfect gift for kids aged 4+ years and fans of motorsport