To use these cars, just press the roof of each car and you'll hear cool sound effects and iconic phrases. You can push them around to create your own race stories. Remember, the colours and decorations of the cars may vary, so you might get a unique look. These cars are suitable for kids aged 4 and up. When not in use, store them in a dry place to keep them in good condition. Avoid dropping or rough handling as it might damage the sound - emitting function.