The LEGO® Technic 4x4 X-treme Off-Roader 42099 is powered by a sophisticated Smart Hub with three motors and controlled by the LEGO® TECHNIC CONTROL+ app. The app technology allows for ultra-precise movement and functionality, plus an enormous number of authentic digital play combinations with real sound effects. You can drive forward, reverse, steer, accelerate, brake, and traverse obstacles by selecting different control screens. You can also receive real-time feedback such as a tilt log and speed, or put your skills to the test in the app’s challenges and achievements section. The set contains 958 pieces. Recreate this hi-tech vehicle with the LEGO® 4x4 X-treme Off-Roader 42099 set. Make it glow with our LED lights for LEGO®.