The international student’s identity card can be issued for every pupil and student aged 12 and above. With the ISIC, you can identify yourself as a student and you will then receive discounts and benefits in more than 130 countries, e.g. for travels, flights and accommodations. The ISIC is valid for one year as per the date of issue and costs EUR 15.00.

Further information and application: https://www.isic.de/en/get-your-card/issuing-offices/ (external link)