Build and explore this remarkable LEGO® Technic™ reproduction of one of the world’s most impressive hydraulic excavators, the Liebherr R 9800. Developed in partnership with Liebherr, this replica model is controlled via the LEGO TECHNIC CONTROL+ App and comes with an array of advanced app-controlled features and functions that put you in complete control. Choose from 4 different screens with cool graphics that add to the super-realistic play experience. Drive forward, reverse, steer via individual track control, rotate the superstructure, extend, raise and lower the boom, and open and tilt the bucket at the touch of a fingertip. Select an on-screen drag pattern for the boom and see it respond to your command. Use pre-set commands or record the excavator’s actions to create complex sequences of movements, then turn up the authenticity with real Liebherr R 9800 sound effects—all from the comfort of your smart device! And when you’re ready, you can test out your skills in the app’s challenges and achievement section—how many reward badges can you collect? This high-fidelity replica is packed with true-to-life, brick-built details, such as hydraulic tubing and pumps, cooling vents, a fire extinguisher system and a detailed operator’s cab with seat, joystick and control panel. A classic color scheme with intricate sticker detailing adds the finishing touch to this magnificent LEGO construction toy for kids and grown-ups. • This excavator model features the LEGO® TECHNIC™ CONTROL+ app for a more immersive and realistic play experience and hours of fun.• The app-controlled LEGO® Technic™ Liebherr R 9800 Excavator is operated via a smart device with 4 alternative control screens. Go to LEGO.com/devicecheck for a list of compatible smart devices.• Multi-function control: Drive forward, reverse, steer, rotate the superstructure, extend, raise and lower the boom, open and tilt the bucket and get model feedback, such as boom and superstructure position, power usage and drive distance.• One-touch control: Select an on-screen drag pattern and see the excavator respond to your command. • Custom-built movements: Use pre-set commands or record the model’s actions to create complex sequences of movements.• Challenges & achievements: Complete challenges to unlock reward badges. • Replica of the Liebherr R 9800 Excavator with an array of true-to-life features and functions, finished with an authentic color scheme and cool sticker detailing.• Includes 3 XL Motors, 4 L Motors and 2 Bluetooth-controlled Smart Hubs.• Smart Hubs feature Bluetooth Low Energy (BLE) connectivity, activation button, a 6 axis sensor and 4 connectivity ports..• The app allows users to connect to multiple hubs, ensuring precise and true-to-life movements.• Download the app from the App Store or Google Play. Ask your parents’ permission before going online.• This excavator toy requires batteries (not included). Please refer to the product packaging for type and quantity.• This LEGO® Technic™ construction toy introduces LEGO builders to advanced elements of engineering.• Not compatible with the Power Functions systems.• Liebherr R 9800 Excavator measures over 15” (39cm) high, 25” (65cm) long and 10” (27cm) wide.