It is a cartoon electric train model with high simulated train sound to inspire kids auditory sensation and beautiful colors to promote kids visual ability, which has also transparent rotating wheels to explore engineering science. smooth edge train model can avoid obstacles automatically, prevent crashing, and prevent falling as it is with funny universal directions wheel design and premium texture It is made of plastic and electronic component materials.The length of the train model is 17cm, the width is 9cm, and the height is 11.5cm.It is suitable for kids, gift, education, etc.