This educational classic has been updated with additional content and repackaged to give it a fresh bold contemporary look and form. The 12inch 24piece skeleton is realistically designed with moving joints and can be displayed in its clear plastic bell jar. The book is packed with projects experiments and facts about all the systems of the human body. The focus of course is on the bones?what they are made of how they grow and how they work. New is an expanded section on paleontology and fossil remains incorporating the latest news from the field including the newly discovered hobbitsized humans from the last Ice Age. This is a great gift for every kid one that truly brings science to life.