Are you ready to take your 42099 lego play experience to another level? The LEGO Technic 4×4 X-treme Off-Roader is powered by an advanced Smart Hub with 3 motors and controlled via the intuitive LEGO TECHNIC CONTROL+ app. The sophisticated app technology enables super-precise movement and functionality while delivering endless authentic digital play combinations with authentic sound effects. Users can choose from different control screens to drive forward, reverse, steer, accelerate, brake, and traverse obstacles. You can also get real-time feedback, such as a speed and tilt log, or test out your skills in the app’s challenges and achievement section. This sturdy 4×4 app-controlled truck comes with high-rise independent suspension, large wheels with chunky tires, and a fresh color scheme with intricate sticker detailing. Its complex gear mechanisms and technologies introduce 42099 lego builders to advanced elements of engineering while improving reaction times, cognitive thinking, and creative problem-solving skills.