Little children will love pressing the ten buttons inside this bright and lively book to hear all kinds of different dinosaurs. From a roaring T-rex to a squawking pterodactyl, the prehistoric world comes vividly to life with fun noises and charming illustrations.Little children will love pressing the ten buttons inside this bright and lively book to hear all kinds of different dinosaurs. From a roaring T-rex to a squawking pterodactyl, the prehistoric world comes vividly to life with fun noises and charming illustrations.