On December 3^rd, 2019, a group of 36 primary students of the school Cicero visited the ETSIIT of the University of Cantabria. The students visited the Chemical & Biomolecular Engineering Department, where they dressed up like a chemical engineer working in a lab, and did a chromatography experiment aimed at separating the different colors in pen ink, and learnt how the Chem-e-car, developed by chemical engineer students, works.