Community Service: Mardi Gras Masks - Rockville Center Library Date: 02/09/13 Hours: 2pm Ages: TW,TE Address: 221 N. Village Ave. - 516-766-6257 Rockville Centre, NY 11570 rvclibrary.org Description: Kids in Grades 7 to 12 will help little kids make masks to celebrate Mardi Gras. Community Service hours will be awarded. Register at the Children�s Reference Desk, or call 766-6257x6.