Information about challenges.

The first challenge will be prepared by Spanish teachers and will be solved by international students teams during our meeting in Valencia.

The second challenge will be prepared by Slovak teachers and will be solved by international students team during our meeting in Humenne (from 28th of November to 2nd of December 2016).

The third challenge will be prepared by Greek teachers and will be solved by international teams during our meeting in Katerini (13th February to 17 February)

The fourth challenge will be prepared by Polish teachers and students and will be solved during our meeting in Cracow (27-31 March)

The fifth challenge will be prepared by Turkish teachers and will be solved by international students teams during our last meeting in Katerini (1-5 May)