Are there any toy cars that can run on their own but can adjust their direction?

Yes. According to a query on the Baiteng Patent Network, the patentee Liu Zhoupeng invented a toy car that can turn freely, and applied for a patent on November 1, 2021. The self-steering toy car can drive automatically and change direction. A toy stroller is a type of children's toy, which refers to a toy vehicle specially designed for children's games.