Smart Robot Car Chassis Kit with UNO R3 Module – Educational DIY Toy, 2WD with Battery Box and Speed Encoder for Tracking Obstacle Avoidance – Designed for Beginners to Learn Programming

Easy Assembly: Simplified design structure for quick and easy installation. Robot car chassis kit dimensions: 5.91 x 3.94 x 1.97 inches. Equipped with 4 batteries in the size AA battery compartment and a convenient switch, facilitating overall usage.
Educational STEM Toy: Perfect for kids and adults alike, this kit fosters a hands-on learning experience in programming and electronics. With 20 wire speed encoders, you can quickly build a closed-loop system to measure speed and distance, enhancing STEM education in a fun and interactive way.
Versatile Functionality: Multi-functional robot kit enabling obstacle avoidance, tracking, speed measurement, and more. Includes L298N drive module, 4 tracking modules, and 51 control units seamlessly integrated for a comprehensive learning experience.