Playgroups

* i_to_i Waltham and Acton * tots_on_tuesdays Newton * ymca Waltham * parks_and_recreation Waltham

Science and Nature

* mass_audubon Belmont (The Habitat) and Lincoln (Drumlin Farm) * ymca Waltham

Visual Arts

* arsenal_arts Watertown * parks_and_recreation Waltham * ymca Waltham

Music and Theater

* music_together Belmont * arsenal_arts Watertown

Foreign Language

* ymca Waltham; Spanish

Exercise and Physical Education

* the_little_gym Woburn; gymnastics * ymca Waltham; sports, exercise, swimming * parks_and_recreation Waltham; karate, summer camps