Discover a top gift for Formula E racing and Porsche fans aged 9+ with this fast-paced LEGO Technic Formula E Porsche 99X Electric (42137) pull-back race toy car. Kids enjoy an immersive build . crafting all the details of the famous Porsche with this model car kit to build . 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! The LEGO AR app puts control firmly in kids’ hands. With vehicles that look and function like the real thing . LEGO Technic buildable models offer a fun introduction to engineering and mechanics for young LEGO builders and make wonderful . inspiring gifts for teens and kids – the engineers of tomorrow. This Porsche pull-back race car toy for kids measures over 2 in. (6 cm) high . 12 in. (31 cm) long and 4.5 in. (12 cm) wide. Contains 422 pieces.