The AGM MASTECH Slot Car Race Track Sets have been upgraded to include an exciting curve expansion pack featuring 8 additional curve tracks, offering more complex routes and increasing playability. This comprehensive set provides a diverse racing experience with various track layouts, automatic lap counter, and four sleek slot cars. The inclusion of the curve tracks not only adds more excitement to the races but also allows for greater customization and creativity in track design. Ideal for family gatherings and friendly competitions, this set promotes bonding and healthy rivalry among siblings and parents alike. The durable remote controls ensure reliable performance, withstanding extensive use. The ability to run on electric power or 8xAA batteries (not included) offers flexibility for both indoor and outdoor play. Crafted from environmental ABS plastic materials, this robust set is built to last and is perfect for children aged 4-12. It serves as an exceptional gift choice for any special occasion, combining educational fun with action-packed entertainment. For any inquiries or support, our team is dedicated to responding within 24 hours, ensuring a seamless customer experience.