Best gifts for children - Four different colors of trams can attract children's attention and make them feel happy. Parents can interact with their children by selecting one of the vehicles and act as the driver for three different functions. These rail cars not only improve family relationships, but also educate children about road safety. If you want to learn more about this track cart, watch the video at the end of the picture Safe and easy to play- These track mounts are made of environmentally friendly non-toxic plastic material, which is not harmful to children. For these racing cars, the power switch is on the bottom. 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 battery costs. Cool LED Lighted Railway Cars- These 4 cool railway cars are equipped with 5 LED lights, children will be attracted and enjoy it. But 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 with force and not fall from a height to protect them for long-term use. 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 the 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.