First a nice calling interview with RRHH, typicall questions about why did I want to work there, my expectances for near future, etc. Then a group interview where everyone had to build anything with LEGO pieces that could represent your career right now, or how do you see yourself in a long time period. All in less than 2 minutes.We also had to solve a case, a competition case about giving slogans to one of the 3M's brands: post-it. We had to do it in a team , purpose like 10 slogans and explain them in 10 minutes. We also had to decide first the company structure as if we where a publicity company working for 3M. Then, finally, the following day I had to have the interview with the managers.