The nursery rhyme "The Wheels on the Bus" is a popular children's song that describes the various parts of a bus and the sounds they make. The song is often used to teach young children about transportation and the different types of vehicles they may encounter.

Cars and vehicles of all kinds are mentioned throughout the song, as the wheels on the bus go "round and round," the wipers on the bus go "swish, swish, swish," and the horn on the bus goes "beep, beep, beep." Other parts of the bus, such as the doors, driver, and passengers, are also described in the song.

The repetitive nature of the lyrics and the catchy melody make "The Wheels on the Bus" a fun and engaging song for young children. It is often accompanied by hand motions or actions, such as pretending to drive a bus or making windshield wiper motions with the hands. Overall, the song is a beloved classic that continues to be enjoyed by generations of children.