Discover a top gift for Formula E® racing and Porsche fans with this fast-paced LEGO® Technic™ Formula E® Porsche 99X Electric (42137) pull-back race car toy. 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. Bring the race to life 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! For Ages 9 and up. WARNING: CHOKING HAZARD - Small Parts. Not for children under 3yrs.