Best Gifts for Kids - Four different colors of trams can attract children's attention and make them happy. Parents can interact with their children by choosing one of the vehicles and acting as the driver for three different functions. These railway cars not only enhance family relationships but also educate children about traffic safety. To learn more about this tram, watch the video at the end of the picture. Safe and Easy to Play With - These track fasteners are made of environmentally friendly, non-toxic plastic material, which is not harmful to children. For these race cars, the power switch is on the underside. Children can easily use it independently and have fun. Each toy car requires 2 AA batteries (not included). We recommend purchasing rechargeable batteries to save on battery costs. Cool LED-Lit Railway Cars - These 4 cool railway cars are equipped with 5 LED lights; children will be attracted and enjoy it. However, for this light-emitting design, the plastic must be thin enough. So these cars are best not to hit hard objects or hit a wall forcefully and not to fall from a height to protect them for long-term use. Compatible with most standard tracks, rainbow tracks, and more (tracks should be at least 2.17 inches wide inside). It can also be played independently on any smooth surface to spark a child's imagination. Service - If you have any questions about our products, or if the products are damaged during transportation, please contact us in time, and we will give you a satisfactory solution.