The mini hip joint model has been reduced to a half of natural size but has kept all of the functionality of larger hip joint models. In addition to the external anatomical structures, the hip joint cross-section mounted on the base, the medical or teaching professional now has the possibility to explain what is happening from "within" the hip joint. Now included with all 3B Scientific Anatomy models is the 3B Smart Anatomy app. This app allows users to register their 3B item to extend the warranty from 3 to 5 years plus free 1 year access to the 3B Smart Anatomy app which includes 23 Anatomy lectures, 117 interactive models and 39 quizzes.