The role of the Nasz Bank Junior PMBS Jedlińsk application used by Południowa – Mazowiecki Bank Spółdzielczy is education through learning to save. Thanks to the application, a child has the opportunity to learn, under the supervision of a parent, how to save and manage money consciously and to gain practical skills in operating an account in Bank Spółdzielczy. After reaching the age of 13, the child will be entitled to conclude a bank account agreement to continue the adventure with the world of finance. This adventure will be based on the knowledge acquired so far and the learned skill of saving