Difficulty engineering student in Materials Engineering courses were related to learning materials that seem abstract. Learning the atomic crystal structure is very important to determine the material properties, in particular the mechanical properties or strength of the material. This study focused on increasing the quality of learning Materials Engineering, in particular metal reinforcement. Specific target of this research is to produce a multi-media learning animation atomic structure. Research procedures using research and development approach, carried out in two stages. The results of the first stage of Multi Media Animation (MMA) on the metal reinforcement material and its influence on mechanical properties. MMA has been through stages of evaluation and development through Focus Group Discussion (FGD) involving media experts and practitioners.