Come and experience our "Urban Rail Movement Set"! This set, consisting of 65 items (numbered 4156, suitable for children over 3 years old), comes with a train, tracks, and city-themed accessories. Enjoy the following three unique advantages: ① Immersive game experience - Build a city world and stimulate creativity through role-playing. ② Easy installation - 3.7V battery + USB data cable, allowing you to fully enjoy endless fun. ③ Safe and interactive - Made of non-toxic materials, it is perfect for you and your child to assemble or play together, enhancing the parent-child relationship. Detailed instructions guide you through the assembly. This is an ideal gift for enhancing skills and bringing joy!