Build Your Own Bulldozer - With 3567 bricks, this building set is organized for easy assembly. Follow the step-by-step guide to quickly bring your bulldozer to life. Perfect for both indoor building fun and outdoor adventures. Smart App Control - This excavator building set comes with 5 x L motor, 3 x M motors, 1 x MK6.0 battery and 1 x MK4.0 battery. Power your excavator with the included motors and battery box. Using the app, you can precisely control every movement—thanks to an upgraded drive system for smooth, real-time operation. Full Mobility & Remote Play - Built with heavy-duty tracks, this bulldozer grips any surface. Move freely indoors or out—go forward, backward, turn left or right—and enjoy endless hours of imaginative play. The Nice Gift - Ideal for birthdays, holidays, or any special occasion. More than just a toy, it blends fun with learning—sparking interest in STEM concepts like engineering and problem-solving. Built to Last & Supported - Made from durable, ABS plastic. Every set is quality-checked, but if you’re missing a piece, just tell us and we’ll make it right. Build and play it with your friends.