4D Vision Orange Tabby Cat Skeleton & Anatomy Model KitLearn about the Cat's Anatomy with this fun 4D puzzle! Model has a transparent cutaway to show internal organs and structure. The 4D Vision Orange Tabby Cat Anatomy Model is 11. 5 long and contains 28 detachable organs and body parts. Display stand and illustrated assembly guidebook included. Guidebook also gives description of the anatomy along with some fun Q&A to test your knowledge.