A toy vehicle for children, comprising a vehicle frame, a steering rod, and a front wheel component provided at the bottom of the steering rod. The vehicle frame comprises a main vehicle frame provided with a seat mechanism, a left side frame with a left rear wheel assembly, and a right frame with a right rear wheel assembly. The left side frame and the right side frame respectively are rotatably connected to the rear of the main vehicle frame. The vehicle frame is further provided with a driving mechanism used for driving the left side frame and the right side frame to rotate respectively relative to the main vehicle frame so as to allow the left rear wheel assembly and the right rear wheel assembly to approach or to move away from each other, and an operating mechanism used for driving the movement of the driving mechanism.

A toy vehicle for children, comprising a vehicle frame, a steering rod, and a front wheel component provided at the bottom of the steering rod. The vehicle frame comprises a main vehicle frame provided with a seat mechanism, a left side frame with a left rear wheel assembly, and a right frame with a right rear wheel assembly. The left side frame and the right side frame respectively are rotatably connected to the rear of the main vehicle frame. The vehicle frame is further provided with a driving mechanism used for driving the left side frame and the right side frame to rotate respectively relative to the main vehicle frame so as to allow the left rear wheel assembly and the right rear wheel assembly to approach or to move away from each other, and an operating mechanism used for driving the movement of the driving mechanism.