Every year technical enterprises, enterprises with technical departments and technical training facilities, universities, and research centres are invited to organise an open day for girls – Girls’Day. Girls’Day – ‘Future Prospects for Girls’ has initiated a large campaign in which a wide range of professions and activities is presented to girls of age 10 years and older. As a result, the vocational choices of girls are positively influenced. For companies, Girls’Day has evolved as an important instrument of their recruitment policy. This year the CRC 951 will again contribute to Girls’Day with a scientific programme especially designed for female pupils. Maryline Ralaiarisoa, a member of the CRC 951 and of Club Lise Mentoring, will give an interactive scientific presentation about our research on hybrid inorganic/organic systems (HIOS) and her motivations for becoming a scientist. Afterwards, the pupils will be taken on a tour of the lab, including demonstrations of experiments with HIOS materials and hands-on experience with authentic experimental equipment.