This event is in the "Grades K - 5" group. This event is in the "Preschool" group. Mario Madness 9:00am - 4:30pm Grades K - 5, Preschool Montgomery Campus & Oswego Campus This event is in the "Grades K - 5" group. This event is in the "Preschool" group. Dec 23 2023 Sat Mario Madness 9:00am - 4:30pm Montgomery Campus & Oswego Campus Please note you are looking at an event that has already happened. Library Branch: Montgomery Campus & Oswego Campus Age Group: Grades K - 5, Preschool Event Details: Are you a Mario Brothers fan? Stop by the library this winter break for some Mario-themed activities and earn some pins! While supplies last.