Includes Book and Gigantic 100-Piece Model! Learning takes on an extra dimension with this Make Your Own Skeleton kit. Assemble the model skeleton while learning about different parts of the human body — feet and legs, hips, spine, ribs, arms, head, and jaws — in the accompanying book. Following easy step-by-step instructions, Make Your Own Skeleton blends model-making with anatomy and behavior, teaching children about the human body in a whole new way.