This project aims to make students enthusiast for science by analyzing some ball sports using the theory they see in the Physics lessons. The students from different nationalities will be split in international teams: each team will choose a certain experiment involving a sport using a ball to analyse the motion: they will play a with the ball and analyse their own experiment comparing then the results with the ones collected by their mates in the other countries. In this way, they will both broaden their understanding of Math and Physics and improve their social competence and ICT and language skills.