Boston "ahts" Festival 2012 - Christopher Columbus Park, Boston
Fri-Sun

The three-day celebration of visual and performing arts has something for everyone to enjoy. An Interactive Arts program offers arts demonstrations throughout the weekend. FREE

Family Music: Vanessa Trien - Stone Zoo, Stoneham
Sat

Children can sing-a-long, dance and jump around during the Stompin’ Rompin’ Family Music Series! Each Saturday in September, a different children's performer entertains. Today: Vanessa Trien. Free with admission

Barbecue & Farm Day - Verrill Farm, Concord
Sat

Enjoy the bounty of a late summer day at Verrill Farm including barbecue, farm demonstrations, entertainment and a first ever apple pie contest.

There is also entertainment Hokum's Heroes and Lil' Folk Farm Traveling Farm, and a sheep shearing demonstration (11:30am-2pm). FREE admission

Mister G's Chocolalala Concert - Barefoot Books, Concord
Sat

Mister G has a new bilingual CD, Chocolalala - a collection of Latin rhythms, traditional instruments, and Mister G's uniquely catchy song-writing for children. This one-of-a-kind dance party comes to Barefoot Books today.

RSVPs strongly encouraged; drop-ins are encouraged to call before coming to ensure space. $8/child; $20 family maximum

Spider Saturday - Harvard Museum of Natural History, Cambridge
Sat

During the closing weekend of the Spiders mini-exhibit, visitors can see live spider and tarantula demonstrations; learn how to fold origami spiders and other spider-themed crafts; take the Spider Sense! Scavenger Hunt; at 12:00 pm, listen to a talk on how spider webs evolved over the course of 400 million years (12n); and a talk about Creature Feature: The Science Behind the 8-Legged Freaks in Sci-Fi Monster Films (2pm). Free with regular admission

Faery Festival - Wenham Museum, Wenham
Sat

The benefit event includes faery house building, a faery tea party, faery arts and crafts and story-telling by local story-teller Jape Payette. Children may wear their own costume or borrow one of several beautiful costumes. For those interested, photographs will be taken of the little Faeries and Elves and through the magic of Underwood Photography the children's images will be transformed into Faeries and Elves. A portion of the photography proceeds will be donated to the Wenham Museum. $6 (does not include museum admission)

Cambridge Carnival International 2012 - Cambridge
Sun

Cambridge Carnival International is a celebration rooted in African traditions featuring live music, ethnic foods, and crafts from around the world. The highlight of the festival is a grand costume parade during which revelers dance through the streets of Cambridge in handmade costumes. The parade starts at 12:30PM near the Charles River at River Street and ends in Kendall Square.

Carnival KidsFest is a hands-on interactive activity zone where kids can join in on stilt walking demos, story telling, face painting, balloon art, and arts and crafts activities. Most of the activities are free.

Good Life, Good Music - Regent Theatre, Arlington
Sun

The all-ages show features great local bands and performers, all gathering to raise money for kids. Plus, games and activities for the kids, raffles, and even some guest appearances on the stage. In advance $10; At the door $15

Sunday Fun in the Park - Esplanade Fiedler Field, Boston
Sun

The afternoon includes Parkland Games with Knucklebones, Family Fun Yoga, fishing, a Zumba class, arts & crafts, music and more. FREE

Family Series Bravo Bernstein! - Longy School of Music, Cambridge
Sun

With selections from West Side Story, Dance Suite for Brass Quintet, and various songs about his friend’s dogs, the Redline Brass Quintet invites the audience to explore the life and music of one of the most influential musicians of the twentieth century. Arrive early for a free Open House (11am-2pm). FREE

Wachusett Mountain Music Fest - Wachusett Mountain, Princeton
Sun

The 15th Annual Musicfest features national, regional and local music. Plus, a Mountainside BBQ and multiple food stations, a Classic Car Show presented by the Pike FM, local craft vendors, and the Scenic Summit SkyRide. Rain or shine. Gates open at 11:30am - come early to reserve your spot and don't forget your blanket and lawn chairs. Adults $15-$25; Children $4-$6