Roughly 4.6 billion years ago, planet Earth was just a red-hot molten ball in the solar system. Since then, the planet has evolved tremendously! Packed with astonishing photographs and intriguing facts, this 3-D Explorer book also features five dramatic pop-up scenes with see-through layers that provide a one-of-a-kind glimpse into our planet's inner workings, including a spectacular volcanic eruption and a depiction of life in the Arctic.3-D Explorer: Planet Earthtakes kids on an incredible journey through the natural world. They'll discover Earth's early history, and learn about its constantly changing surface, land masses and extreme weather. This is a journey to the center of the earth like no other!