Smart Obstacle Avoidance Functionality: This DIY soldering kit assembles into a smart car that can measure distances using ultrasonic waves. It features an obstacle avoidance system that can be set between 0-2.55m, with optimal performance within 0-0.5m. Interactive STEM Educational Project: Designed for easy assembly, this kit is perfect for students and DIY enthusiasts. The soldering project helps in understanding basic electronics while improving hand-eye coordination. Each kit comes with detailed instructions, making it an ideal educational tool for both home and school environments. Customizable and Informative Display: The kit includes a digital tube that displays the distance to obstacles in real-time, adding an interactive element to the smart car. This feature helps users visually understand how the car perceives and reacts to its surroundings, making it a great educational device. Ideal Gift for All Ages: Whether it's for a beginner or a seasoned hobbyist, this soldering kit makes an excellent gift. It's not just a fun project but also a thoughtful present for occasions like Christmas and Year. Once assembled, it serves as a desk decoration and a testament to soldering skills. Commitment to Quality and Support: We prioritize customer satisfaction and product quality. Our team is dedicated to ensuring that the kit is enjoyable to assemble, aesthetically pleasing, and made of high-quality components. For any assistance, customers can easily reach out to our support team. We also offer competitive pricing on bulk orders. Color: As Shown Material: PCB Package Contents: 1*DIY Smart Car Soldering Practice Kit(Shipped as individual parts; self-welding and assembly required) 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.