With the LEGO Technic Ford Mustang Shelby GT500 (42138) set, kids aged 9 and up can build their own realistic drag race car toy. This set offers an immersive experience that serves as a great introduction to engineering, teaching kids the basics of mechanics through realistic movement and mechanisms. The model features 2 pull-back motors that allow kids to control the car with ease, and an AR app adds an extra level of excitement with augmented reality features that let kids race their cars and complete challenges. The finished model makes a striking display piece, and the set contains 544 pieces to keep kids engaged and challenged. This set is ideal for any drag racing fan aged 9+ and would make a perfect gift for those who love AR toys, race cars, and drag racing. LEGO Technic components are made to high standards for quality and reliability, ensuring a fun and safe play experience every time.