- This LEGO Technic Ferrari FXX K set brings you one iconic car to build, race and show off - It has true-to-life features like butterfly doors and an opening bonnet - Take off the engine cover to check out the V12 engine with its moving pistons - The LEGO Builder app lets you zoom, rotate and track your build every step of the way - Once built, pop it on display and give your F1 collection the spotlight it deserves