D Human Anatomy Male Reproductive and Urinary System Model 3D Cutaway Puzzle Human Body Anatomy Model from 4D Master. A fun way to learn about Human Anatomy 25 Pieces with Stand and Assembly Guide Up to Medical Educational Quality Fine Detailed Sculpturing with Hand Painted Parts and Highly Detailed Finish Product Scale:1:2 (half life size). Assembly of puzzle required, pieces snap into place and finished puzzle is of display model quality. Collectible Quality - New Type of Puzzle, Build Your Own Human Anatomy Museum. For ages 8 years and up.