This is a 12-inch, 25-piece skeleton that has actual moving joints. Get to know your body from the inside out. Connect the ankle bone to the shin bone, the shin bone to the knee bone, the knee bone to the thigh bone and so on. Your child will enjoy assembling this model while they learn about the anatomy of the human body. The finished model can be displayed proudly in its clear plastic bell jar. It comes with a 64-page book that contains full color illustrations and is filled with projects, experiments and incredibly facts. Find the answer to why your brain is the boss. Learn about the job of the liver, heart, lungs, stomach and more. The information is lively, the activities engaging and the learning is open-ended.