- There are lots of surprises and very noisy animals inside this perfect pop-up book for toddlers. Read this together with your child and discover who goes "Woof", who goes "Grrr" and who goes "ROOOOARRR!" They"ll love the five photographic pop-up scenes introducing them to noisy animals from cute cats and playful dogs to proud lions. Bold type and simple text encourage early vocabulary and memory skills, and the sturdy design is tough enough for any toddler.