Mould King 13112 Upgraded RC Excavator Building Sets, 2169+ Pieces Building Model Kits, App Remote Control Construction Truck Excavator Science Kits with Motor, STEM Engineering Toys for Teens Adults

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• [RC EXCAVATOR DIGGER]: Mould King 13112 offers dual smart control modes to operate the 360° rotating cockpit, upgraded multi-joint mechanical arm, and reinforced treads for all-terrain mobility. This building set combines hands-on assembly challenges with post-build playability: teens can control the excavator through dynamic commands like digging and lifting, fostering both STEM learning and creative engineering exploration.
• [MODULARIZED ASSEMBLY SYSTEM]: This engineering set contains 2169+ precision components, organized into numbered step-by-step packets to streamline the building process. With 3D illustrated instructions and color-coded modular guidance, even beginners can confidently assemble complex mechanical structures like the rotating chassis and hydraulic shovel.
• [DUAL-CONTROL MODES]: Command your excavator with remote controller or smartphone app. The intuitive interface with tactile buttons and step-by-step tutorials ensures smooth operation for teens, blending STEM learning with immersive construction play – perfect for mastering robotics basics while exploring engineering.
• [EFFICIENT POWER DESIGN]: The Mould King building sets are equipped with 6 high-performance motors and dual lithium-ion batteries to provide strong power and long endurance. Easy to charge, support through the USB port to connect the charging head, mobile power or laptop to charge. The remote control uses two AAA batteries (not included) and can be easily operated after installation for smooth digging and handling.
• [EXQUISITE GIFT BOX PACKAGING]: This excavator toy is packed in a colorful cardboard gift box, which is high-end and atmospheric, and is the perfect gift for birthdays, Christmas, Halloween, Thanksgiving and New Year.