Kids enjoy an immersive build, crafting all the details of the Porsche race car, then recreate all the action of a real race day using the 2 pull-back motors and LEGO Technic AR app. Using augmented reality, the app lets kids immerse themselves in the role of a top Porsche Formula E driver. They’ll choose which circuit to race on, make decisions about energy management and use their skills to work their way up in the race. Using the 2 pull-back motors, kids will decide how much to charge the car’s energy before pushing the trigger to see the car race along the AR track right in front of them! Pull-back function – Using the 2 pull-back motors, kids can judge how much energy to put into the car toy before making the perfect start to the race using the trigger. This buildable model Porsche is an authentic model replica of the real-life Formula E® Porsche race car, complete with sponsor logos. Ages 9 & up. 422 pieces.