🚀 Build, Control, Conquer! Unleash the power of construction at your fingertips! Complete in-app challenges to unlock exclusive rewards and badges! Record and create complex sequences for a personalized building experience. Operate with precision using the LEGO TECHNIC CONTROL+ app on your smart device. Drive, steer, and manipulate with a single touch—experience true control. Dive into the world of advanced construction with the LEGO Technic Liebherr R 9800! App-Controlled 6 AA Batteries 4 Motors The LEGO 42100 Technic Control Liebherr R 9800 RC Excavator is a sophisticated remote-controlled construction set designed for ages 12 and up. With 4,108 pieces, it features advanced app control, multi-functional capabilities, and customizable movements, making it a perfect blend of fun and educational problem-solving skills.