VR Hybrid Automotive Mechanic is comprised of three modules: engine, transaxle, and principles of powertrain. It offers the structure, principles (Basic working principles, VVT-I principles, Atkinson Principles, Transaxle principles, and Principles of planetary gear mechanism), disassembly and assembly (providing guide, training, and examination) of Prius engine and transaxle, as well as Overall working principles and energy flow module of the powertrain.