Get ready for an amazing building and playing experience with the LEGO® Technic™ Liebherr R 9800 Excavator, made up of 4108 pieces. Developed in collaboration with Liebherr, this miniature model is controlled via the easy-to-use LEGO TECHNIC CONTROL+ app and powered by 2 advanced Smart Hubs with 7 motors. The sophisticated app technology allows for ultra-precise movement and amazing functions, while offering endless authentic digital play options across 4 different control screens with cool graphics. The multifunctional control screen enables users to drive the machine in all directions, rotate the upper carriage, extend and lift the boom, open and tilt the bucket, play realistic sound effects, and get real-time feedback, such as boom position, power usage, and driving distance. Using the touchscreen, users can use drag patterns to control the boom, arm, and bucket, while the custom movement screen allows them to select pre-programmed commands or record the model's movements to create complex movement sequences. With the challenges and achievements screen, users can complete challenges to unlock reward badges. This excavator model features the LEGO® TECHNIC™ CONTROL+ app for a more realistic and immersive play experience, and hours of fun. The app-controlled LEGO® Technic™ Liebherr R 9800 Excavator is powered by a smart device with four alternative control screens. Visit LEGO.com/devicecheck to see a list of compatible smart devices. Multifunctional control: Drive forward and backward, steer, rotate the upper carriage, extend and raise/lower the boom, open and tilt the bucket, and get feedback about the model, such as boom and carriage position, power usage, and driving distance. One-touch control: Select a drag pattern on the screen and watch the excavator respond to your command. Custom movements: Use pre-programmed commands or record the model's movements to create complex movement sequences. Challenges and achievements: Complete challenges to unlock reward badges. A true-to-life replica of the Liebherr R 9800 excavator, packed with realistic features and functions, and designed in authentic colors with cool sticker details. Includes 3 XL motors, 4 L motors, and 2 Bluetooth-enabled Smart Hubs. Smart Hubs feature Bluetooth Low Energy (BLE), a button for activation, a 6-axis sensor (3 gyroscopes and 3 accelerometers), and 4 connection ports. The app allows users to connect to multiple hubs, ensuring precise and realistic movements. This excavator toy requires 12 AA batteries. This LEGO® Technic™ building toy introduces LEGO fans to advanced engineering elements. The Liebherr R 9800 excavator measures over 15” (39cm) high, 25” (65cm) long and 10” (27cm) wide.