An articulating expandable intervertebral implant is described for insertion between vertebrae of a human spine. The thickness of the card corresponds with to the specification of the ISO 7816. The carbon doped oxide film can be provided by chemical vapor deposition. The training situation can include any number of questions, scenarios, fact patterns, etc. The lighting module further includes a light source unit disposed on the seat, a light guide plate placed within the case and optically connected with the light source unit, and a diffusing plate placed within the case and placed below the light guide plate. Also disclosed are methods of use thereof.