Busy hands build strong minds! Learn about Human Head with this fun 4D puzzle! Model has a transparent cutaway to show internal organs and structure. Challenge your critical thought and mental acuity. Build dexterity, fine motor skills and problem solving skills. Reinforce learning through hands-on exploration! A nice addition to curriculum for teaching animal science or any child’s science fair project related to human anatomy. Collect the series and have your own human anatomy museum! Features include: 4.5″ model with 14 pieces and a display stand. Illustrated assembly guide included. Learning guide included with the description of the anatomy and how a human head works along with some fun questions to test your knowledge! Package has bent corners and creased sides, product in new and unopened. Ages 8+