From their window on the bus, a girl and a boy see a fire truck that goes woo-ooo-ooo, also known as a camión de bomberos—uuuah uuuah uuuah. They see a train, an ambulance and an airplane too! With this rollicking adaptation of "The Wheels on the Bus," young people can sing out the names of their favorite vehicles and the sounds they make — in both English and Spanish.