Around 230 million years ago, during the Mesozoic Era, incredible creatures appeared on Earth: the dinosaurs. Carnivores and herbivores, marine and terrestrial reptiles, and flying creatures dominated a primeval, warm, and humid landscape, perfect for the development of life. But of all the dinosaurs, there was only one undisputed "king": Tyrannosaurus rex. With its sharp teeth, powerful legs, and long tail, it is the most famous and fearsome predator of all time. Read the 32-page book about dinosaurs, then build the 3D model of T. rex.