Wellspring Multi-Service Center is gearing up for the holidays and looking for help providing children’s presents and family dinners. Executive director Vinny Harte said the agency expects to provide dinner to between 200 and 300 families, and toys and gift cards to about 300 children. Anyone interested in contributing can contact Wellspring at 781-925-3211, he said. In addition, the Broad Cove Chorale and Unicorn Singers are holding their annual concert to benefit Wellspring Sunday at 4 p.m. at First Parish Church on Cohasset Common. Regular tickets are $15, and sponsor tickets are $25.