Robust Aluminum Chassis: High-strength aluminum alloy frame provides excellent durability, stability, and resistance, ideal for long-term DIY robotics projects and classroom use. Ultrasonic Intelligent Obstacle Avoidance: Integrated ultrasonic sensor mounting positions allow the car to detect obstacles and automatically adjust its route, supporting intelligent obstacle avoidance experiments and autonomous navigation. DIY Educational Robot Platform: Designed for hands-on assembly, programming, and debugging, helping beginners and students learn electronics, mechanics, and coding through practical STEM and robotics projects. Four-Wheel Drive Power System: motor drive for each wheel delivers strong torque and stable driving performance, suitable for smooth floors and light uneven surfaces in labs, classrooms, and home environments. Clear Layout and Easy Wiring: Reserved slots and holes for batteries, motor drivers, sensors, and cables help keep wiring neat and safe, improving reliability and ease of maintenance. Color: As Shown Material: Metal Package Contents: 1*Double-layer aluminum plate car kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.