Engage your baby through songs and finger play while learning simple, easy-to-do gestures for communicating. This is a fun activity that can help promote language development. Class held on Sundays, January 29-March 11 from 3-3:45pm at the Fox Library Community Room (175 Massachusetts Avenue) in Arlington. Geared for children ages 6-18 months, with adult. Cost is $80. Open to the entire community. Register at bostonjcc.org/metronorth. For more information, contact metronorth@jccgb.org or 617-841-8009. Programs north of Boston are presented in collaboration with Jewish Family & Children’s Service of Greater Boston with support from Combined Jewish Philanthropies. All JCC arts and humanities offerings are programs of the Ryna Greenbaum JCC Center for the Arts.