Learning Resources Anatomy Model Set . These plastic anatomy models from Learning Resources help children gain a deeper insight to the workings of the human body. Children learn as they build each of the models using the step-by-step photo illustrated assembly instructions. Each model come with a display stand and guide which features anatomy facts. Realistically detailed. Set includes Heart Model (12.5cm H), Brain Model (9.5cm H), Human Body Model (11cm H) and Skeleton Model (23cm H). Suitable for ages 8+