DIMENSIONS: Measures 8" x 5" x 7" ANATOMICAL SKULL MODEL, NUMBERED: The Axis Scientific 3-Part Life-Size Human Skull Numbered Model is a high-quality, detailed representation of human skull anatomy. This premium numbered skull model has a removable skull cap for an advanced study of the internal features and an articulating jaw with natural movement. ANATOMICALLY CORRECT: The Axis Scientific 3-Part Life-Size Human Skull Numbered Model is an accurate anatomical representation of human skull. Axis Scientific models are cast from real human specimens. Be aware of cheap imported human anatomy models that have anatomical inaccuracies and lack the same level of detail as Axis Scientific anatomy models. HIGHEST QUALITY ANATOMY MODELS: Axis Scientific anatomy models are designed by medical professionals and assembled with the utmost attention to detail. This life size numbered skull model is perfect for the doctor’s office, science classroom, or as an in-home study aid. DETAILED STUDY BOOKLET & USER GUIDE: This numbered skull model includes a detailed and colorful educational booklet, identifying 55 anatomical features present on the model. All Axis Scientific product manuals use real photographs of the model and include a comprehensive list of anatomically correct parts featured on the model. 3-YEAR WORRY FREE WARRANTY: Every Axis Scientific 3-Part Life-Size Human Skull Numbered Model comes with a hassle free 3-year warranty. If you have any questions about your model, feel free to contact our US-based customer service team at 1.800.422.1134. We love hearing from our customers!