Elma Lewis
Playhouse In The Park
Enjoy family friendly concerts. Food trucks and vendors are expected to join the fun this year. July 21, 11 a.m.-8 p.m. Free. Franklin Park, Elma Lewis Playhouse, Glen Road. www.franklinparkcoalition.org/fpc-programs/playhouse-in-the-park

“Fun Times, Fun Times”
Concert on
Chelmsford Common
The Chelmsford Community Band pays tribute to favorite cartoons such as “The Simpsons,” and “Looney Tunes.” Bring a lawn chair and take a trip down memory lane with the whole family.
July 21, 7-8:30 p.m. Free. Chelmsford Town Common,
21 North Road, Chelmsford. www.chelmsfordband.org/word


Volcano Alert:
Eruption Today
Kids learn how to use fast-drying plaster to make their own erupting volcano. July 23, 1-3 p.m. $5. Henry Bear’s Park, Massachusetts Avenue, Arlington. www.eventbrite.com/e/summer-activity-volcano-alert-eruption-today-tickets-17005767709

YOUNG DRUMS — FREE Rhythm & Blues Class This class will give kids the opportunity to experiment with a variety of blues instruments.
July 24, 4-5 p.m. Free. The Green Room, 62 Bow St., Somerville. www.meetup.com/Nabi-Music-Center/events



Jamaica Plain Art
Walking Tour
During this tour, Boston’s murals and sculptures will be described in-depth. The casual pace of the one-mile tour makes this event a family friendly and educational adventure. July 18, 10:30 a.m.-
12:30 p.m. $35. First Baptist Church, 633 Centre St., Jamaica Plain. www.goldstar.com/events/jamaica-plain-ma/jamaica-plain-art-walking-tour-tickets

Superheros & Princesses Parents and kids are encouraged to dress up and play at the
annual Superheroes & Princesses Summit. Prizes will be awarded. July 25, 10 a.m.–6 p.m. $23. Edaville USA, Carver.

Harbor Illumination
A songwriting contest and a boat parade are only two of the activities that make up this year’s Harbor Illumination Festival. Flares are also lit to symbolize the beauty of life itself. July 25, 5-9 p.m. Free. L Street Baseball Field, Hull. www.hulllifesavingmuseum.org


Cambridge Side Hosts KIDS ONLY Run & Ride Duathlon Kids who enjoy running and bike riding can compete for prizes in the Run and Ride Duathlon. There are giveaways, entertainment, and each winner will receive a new iPad. Entrants must be between ages of 5 and 13.
July 26, 8:30 a.m.-noon. Free. Cambridge Side Central Park, Cambridge. www.cambridgeside


Mackenzie Cummings-Grady can be reached at mac.grady@globe.com.