The link you followed will bring you to this page:

https://www.eventbrite.it/e/biglietti-apertura-centro-didattico-scientifico-con-caccia-al-tesoro-161105074615?fbclid=IwAR1CSYSkLwPB9LyEULN3kiYpCQnjh2ho6qiE0GVEe9LqxhwtD1yWsfHwQeg