Amrita Sadhu, Archit Ravishankar, and Ayusha Kadigari, students at Robert Frost Middle School, show off one of the baskets of food donated by customers at the Potomac Giant Food store Sunday, Jan. 14. The students greeted shoppers with a list of foods from Manna Food Center, and asked them to purchase items and donate to Manna as part of the Martin Luther King, Jr. Day of Service.