Type A car can be used after the baby is 2 months old and the head can be supported; Type B car can be used after the baby is about 7 months old. No matter which style, it can be used until about 2 years old. The two types of cars have their own advantages. Type A is suitable for walking while Type B is suitable for taking trams or shopping.

The stroller is the baby's favorite means of transportation for walking, and it is also a must for a mother to take her baby shopping on the street. However, baby strollers can be divided into many categories according to the baby's growth and use. Mainly according to the load capacity as the standard, the general test standard is 9 to 15 kg. A typical stroller can last about four to five years.