Updated edition with new and easy-to-press sound chips! Listen as the sounds of the city come alive and hear the fantastic noises of four favourite city vehicles--a helicopter, a bike, a fire truck, and a taxi--in this interactive board book. A wonderfully simple sound book with fun and noisy sound effects that help babies recognise familiar sounds and introduce older toddlers to descriptive words. Durable and tactile, this fun and engaging sound book is ideal for the nursery, the play center, the changing area--wherever you and your child are! Parents can even switch the sounds off if they wish.