Call for Labor Day parade participants, community groups and other organizations can apply to march in the 75th annual City of Gaithersburg Labor Day parade Sept. 2. Visit the Web site for an application and details. The registration deadline is Aug. 5. Olde Towne Gaithersburg, Summit and Diamond avenues. 301-258-6350, Ext. 136 or www.gaithersburgmd.gov/parade.
Maryland Senior Olympics registration, for Maryland men and women 50 and older; register by July 31 to compete in various sports, including track and field, swimming, archery, badminton, and bowling, and noncompetitive activities such as line dancing and billiards. First event, $20; additional events, $5 each. Visit bit.ly/13dtgmI or call 410-396-2920.
Concert: Josh Burgess performs grass-roots rock outdoors on the plaza. Part of the Fair Hill summer concerts. 6 p.m. Fair Hill, formerly called Olney Town Center, 18169 Town Center Dr. Free. 240-453-3000 or email@example.com.
Mah-jongg tournament registration, the five-round competition Aug. 1 will be governed in accordance with the National Mah Jongg League. Proceeds will benefit the Benevolent Care Fund. Registration deadline is July 19. Erickson Living: Riderwood, Montgomery Station Clubhouse, 3140 Gracefield Rd., Silver Spring. $40 includes registration, lunch and prizes. 301-586-8152. Mail registration check payable to: Ms. Spector, c/o Riderwood, 3148 Gracefield Rd., Apt. T-25, Silver Spring, MD 20904.
Red Cross seeks youth volunteers, people are needed to greet donors, provide reading materials and offer refreshments. Hours are flexible and training is provided. Call or e-mail for locations. 800-272-0094, Ext. 1 or TerryAnn.Karloff@redcross.org.
Lego workshop, for Lego enthusiasts ages 6 to 12 accompanied by an adult; come and build at this STEM enrichment program. 10 a.m.-noon, Silver Spring Library, 8901 Colesville Rd. Free. 240-773-9420.
Children’s concert, bilingual kid-friendly rocker Mister G (Ben Gundersheimer) performs. Visit the Web site for full schedule and event descriptions in the summer series. 10:30 a.m., Gaithersburg City Hall, Concert Pavilion, 31 S. Summit Ave. Free. 301-258-6350 or www.gaithersburgmd.gov/onstage.
Marshland Mystery, for age 5 and older accompanied by an adult; staff members from the Baltimore Aquarium give a presentation on the types of animals found in a marsh, how they live and the challenges they face. 11 a.m., Potomac Library, 10101 Glenolden Dr. Free. 240-777-0690.
Fulks Corner farmers market, locally grown produce, baked goods and more. 1-6 p.m. Thursdays, Fulks Corner Avenue at Route 355, Gaithersburg. 301-258-6350 or www.gaithersburgmd.gov/markets.
Bluegrass concert, Bluegrass Camp performs acoustic traditional and contemporary bluegrass, jazz, and popular music. Part of the Evenings in Olde Towne summer concerts. 5-6:30 p.m., Gaithersburg City Hall, Concert Pavilion, 31 S. Summit Ave., Gaithersburg. 301-258-6350 or www.gaithersburgmd.gov/onstage.
Tree Spirits: exhibit opening and reception, wood turnings, paintings and prints by six Montgomery County artists, through Oct. 18. Sponsored by the Arts and Humanities Council of Montgomery County. 5:30-7:30 p.m., Silver Spring Civic Building at Veterans Plaza, Betty Mae Kramer Gallery and Music Room, One Veterans Place, Silver Spring. Free. 301-565-3805, Ext. 24 or firstname.lastname@example.org.
19th Street Band, rock, country, Celtic and bluegrass. Part of the downtown Bethesda summer concerts series. 6-8 p.m., Veterans Park, Woodmont and Norfolk avenues, Bethesda. Free. 301-215-6660.
Hawk Tales Campfire, for age 3 and older; see Meadowside’s resident red-tailed hawk up close and roast marshmallows around a fire. 7 p.m., Meadowside Nature Center, 5100 Meadowside Lane, Rockville. $5 per child. Adults, free. Registration is requested. 301-258-4030 or ParkPASS.org.
Irish dance classes, for adults; Irish set dancing sponsored by the Greater Washington Ceili Club. Basic dances, 7 p.m.; advanced, 8 p.m. Argyle Local Park, activities building, 1030 Forest Glen Rd., Silver Spring. $30. 301-649-6410 or www.gwcc-online.org.
Hot Society Orchestra of Washington, part of the Glen Echo Park weekly summer concerts. The historic Dentzel carousel will operate during the concerts, dancing in the Pavilion, and food will be available for purchase in the cafe. 7:30 p.m., Glen Echo Park, bumper car pavilion, 7300 MacArthur Blvd. Concert, free; cCarousel ride, $1.25. 301-634-2222.
Twilight Runfest registration, the 28th annual 8K on July 20 will include a 1k Fun Run, a block party and live music by the Lloyd Dobler Effect band. The course winds through Rockville neighborhoods, Montgomery College and a section of Rockville Pike. Races begin at 8:40 p.m. on Washington Street. Visit the Web site for details and to register. Registration fee for 8K, $39 online through July 19. Rockville Town Square, 200 E. Middle Lane. $10-$45. Registration is required. 240-314-8620 or www.rockvilletwilighter.org.
Art Walk in the Park, artist demonstrations, open studios and galleries, a silent auction, and refreshments. The Art Walk is a new program that will be held on the second Friday of each month through October. 6-8 p.m., Glen Echo Park, 7300 MacArthur Blvd., Glen Echo. Free. 301-634-2222 or www.glenechopark.org.
Fishing with Lil’ Ones, for ages 3 to 6 accompanied by an adult; fish off the dock at Little Seneca Lake. Bamboo poles, line and bait provided. Meet at the pontoon boat dock near the boat rentals. 9 a.m., Black Hill Regional Park, 20926 Lake Ridge Dr., Boyds. $7; FOBH, $6. Registration required. 301-528-3492 or ParkPASS.org.
Mambo Combo, concert, 6:30 p.m., Rockville Town Square, 200 E. Middle Lane. Free.
12th annual One-Act Festival, visit the Web site for details and to purchase tickets. Because some plays contain adult language, the festival is not recommended for audiences younger than 14. 8 p.m. Fridays-Saturdays, 2 p.m. Sundays, through July 21, Arts Barn, 311 Kent Square Rd., Gaithersburg. $16; City of Gaithersburg residents, $14. 301-258-6394 or www.gaithersburgmd.gov/RecXpress.
“Wings of Fancy,” the popular live butterfly and caterpillar exhibit is back. 10 a.m.-4 p.m. daily through Sept. 22. Brookside Gardens Conservatory, 1500 Glenallan Ave., Wheaton. $6; ages 3 to 12, $4. 301-962-1400.
Kensington farmers market, 8 a.m. to noon, Kensington train station parking lot (Howard Avenue). Shirley Watson, 301-949-2424.
Pike Central farmers market, 9 a.m.-2 p.m., 11806 Rockville Pike, Rockville. 301-440-8496 or www.centralfarmmarkets.com.
Rockville farmers market, 9 a.m.-1 p.m., Route 28 and Monroe Street.
Briggs Chaney community day, for all ages; a moon bounce and other children’s activities, vendors, blood-pressure screenings, snacks and more. 10 a.m.-2 p.m., East County Community Recreation Center, 3310 Gateshead Manor Way, Silver Spring. Free. 301-572-7004 or www.briggschaneyday.com.
Kentlands farmers and artists market, 10 a.m.- 2 p.m., 301 Main St. (Kentlands Main Street Pavilion), Gaithersburg. 301-258-6350 or www.gaithersburgmd.gov/markets.
White Oak Middle School market,10 a.m.-2 p.m., White Oak Middle School, 12201 New Hampshire Ave., Silver Spring. 301-989-5780.
“Dr. Seuss’s Cat In the Hat,” a mischievous cat pays a visit to two children while their mother is out. 11 a.m., 2 and 4:30 p.m. Saturdays-Sundays, 10:30 a.m. Mondays, Glen Echo Park, Adventure Theatre MTC, 7300 MacArthur Blvd., Glen Echo. $19. 301-634-2270.
Celebrate Damascus: Meet Keyote, up to age 12; meet Keyote, the Frederick Keys’ mascot. Children who sign up for the summer reading program through Aug. 11 will receive free ticket vouchers to a Frederick Keys game, while they last. 11 a.m., Damascus Library, 9701 Main St. 240-773-9444.
31st annual Stewartown Community Day, activities for all ages; concessions and a Gospel Fest featuring headliner Winfield Parker and Praise. Proceeds from concessions will benefit the Goshen United Methodist Church. 12:30-6 p.m., Stewartown Recreational Facility, 19614 Goshen Rd., Gaithersburg. 240-731-3844 or email@example.com.
4H Reading Buddies, for children age 4 to 11 accompanied by an adult; members of the Lucky Clovers 4H club help children read and make crafts. 1 p.m., Aspen Hill Library, 4407 Aspen Hill Rd., Rockville. Free. 240-773-9410.
Family scavenger hunt, for all ages; pick up the scavenger hunt sheet at the visitor center and search for natural treasures. When finished, return to the center for a prize. 1-3 p.m., Black Hill Regional Park, Visitor Center, 20926 Lake Ridge Dr., Boyds. Free. 301-528-3492 or www.blackhillnature.org.
E-book downloading, learn how to download books on your e-reader (Kindle, Nook, or iPad) and how to borrow from the library. Take your e-reader. 2 p.m., Bethesda Library, 7400 Arlington Rd. Free. 240-777-0970.
“How to Draw Superheroes” workshop, for students up to age 18; John Cohen teaches the basic techniques. 2 p.m., Kensington Park Library, 4201 Knowles Ave. 240-773-9515. A second session at 4 p.m., Aspen Hill Library, 4407 Aspen Hill Rd., Rockville. 240-773-9410. Free.
Chamber music, Isis Ensembles will perform “All American Music,” featuring the works of Gershwin, Rutter, Porter and others. A reception will follow. 3 p.m., Kensington Baptist Church, 10100 Connecticut Ave. Free. 301-320-0832.
Summer Gospel concert, featuring His W.I.L., Chosen Vessels, and Shades of Royalty. Proceeds will benefit band scholarships and missions. 3 p.m., Norbeck Community Church, 2631 Norbeck Rd., Silver Spring. $10. 301-924-5393.
Campfire and nature walk, picnic by the fire and take a guided evening walk led by a park naturalist. Take your own hot dogs and rolls. S’mores ingredients will be provided. 6:30 p.m., Locust Grove Nature Center, 7777 Democracy Blvd., Bethesda. $6 per person. Registration required. 301-765-8660 or ParkPASS.org.
Bethesda central farmers market, 9 a.m.-1 p.m., 7600 Arlington Ave., Bethesda. 301-440-8496 or www.centralfarmmarkets.com.
Olney farmers and artists market, 9 a.m.-1 p.m., 2801 Olney-Sandy Spring Rd. (Olney-Sandy Spring Road and Prince Philip Drive). 202-257-5326.
Wheaton farmers market, 9 a.m.-1 p.m., between Georgia Avenue and Veirs Mill Road, 2425 Reedie Dr. 301-792-9448.
Burtonsville farmers market, 10 a.m.-2 p.m., 2410 Spencerville Rd. 301-792-9448.
Junior Detective Day, for ages 5 to 13 accompanied by an adult; Gaithersburg police officers help children make I.D. badges and teach about neighborhood safety. Watch K-9 demonstrations, see high-tech police equipment. Children will use their new skills to help solve a mystery. After the “training,” participants will be sworn in as “junior detectives” and visit with McGruff the Crime Dog. 1-3 p.m., Kentlands Mansion, 320 Kent Square Rd., Gaithersburg. $10; Registration required. 301-258-6425 or www.gaithersburgmd.gov/kentlandsmansion.
Flower Buds, for ages 3 to 5 accompanied by an adult; crafts, gardening projects, stories and more. 10:30 a.m.-noon, Brookside Gardens, 1800 Glenallan Ave., Wheaton. Children, $5; adults, free. 301-962-1400 or www.parkpass.org.
“How to Draw Superheroes” workshop, an instructor teaches the basics of drawing superheroes from Batman to Wolverine. Sponsored by the Friends of the Library, Montgomery County. 4 p.m., Davis Library, 6400 Democracy Blvd., Bethesda. Free, registration required. 240-777-0922.
Summer reading help, for students ages 5 to 18 who struggle with reading; a volunteer from the “Grandreaders” literacy program will be matched with students. Take a favorite book, or read one of the library’s. Sponsored by Interages, a nonprofit organization that builds bridges between generations and cultures. 10:30 a.m., Wheaton Library, 11701 Georgia Ave. Free. 240-777-0678.
Hey, Try This! science program, for ages 8 to 12 accompanied by an adult; staff from the Maryland Science Center demonstrate physical science in everyday life. 10:30 a.m., Silver Spring Library, 8901 Colesville Rd. Free. 240-773-9420.
Basic photography classes, photographer Paul Mink will talk about composition, focus, and depth of field, and how they apply in the digital age of photography. Digital camera required. 1 p.m., Margaret Schweinhaut Senior Center, 1000 Forest Glen Rd., Silver Spring. Free, registration required. 240-777-8086.
Reptiles Alive!, for children age 5 and older accompanied by an adult; an introduction to live animals from Africa, Asia, Australia and South America. 2 p.m., Wheaton Library, 11701 Georgia Ave. Free, tickets are given out 30 minutes prior to program. 240-777-0678.
Billy Finch Stage Show, the singer, comedian and impersonator will bring to life legends like Elvis, Frank Sinatra and others accompanied by talented female partner “Minerva.” Part of the City of Rockville summer concert series. 7 p.m., Rockville Senior Center, 1150 Carnation Dr. Free. 240-314-8682 or firstname.lastname@example.org.
Medicare talk, members of SHIP (Senior Health Insurance Program) give a presentation, “Demystifying Medicare.” 7 p.m., Potomac Library, 10101 Glenolden Dr. Free. 240-777-0690.
Blue Sky Puppet Theatre, for ages 3 to 10 accompanied by an adult; a performance of “The Time Capsule,” the tale of three pig friends that work with a librarian to dig up a time capsule buried 50 years ago. 10:30 a.m., Little Falls Library, 5501 Massachusetts Ave., Bethesda. Free. 240-773-9520.
Downtown Rockville farmers market, fresh produce, local vendors, live music. 11 a.m.-2 p.m., Rockville Town Center at Monroe Street and East Montgomery Avenue.
Shady Grove farmers market, noon-6 p.m., Johns Hopkins University, 9601 Medical Center Dr. (corner of Key West Avenue and Broschart Road), Rockville. 301-792-9448.
Jazz concert benefit, local jazz quintet Greg Twombley, Chuck Redd, Pepe Gonzalez, Robert Redd and Jennifer Twombley plays standards and new compositions. 7:30 p.m., Lutheran Church of St. Andrew, 15300 New Hampshire Ave., Silver Spring. Free-will donation. 301-384-4394 or www.mystandrew.org.
Movies on the Square, a screening of the 2012 sci-fi comedy “Men in Black 3,” starring Will Smith and Tommy Lee Jones. Take a blanket or lawn chair. 8:45 p.m., Rockville Town Center, Maryland Avenue and E. Middle Lane, Rockville. Free. 240-314-8620.
Concert: Shane Gamble performs country music on the plaza. Part of the Fair Hill summer concerts. Fair Hill, formerly called Olney Town Center, 18169 Town Center Dr., Olney. Free. 240-453-3000 or email@example.com.
Leonardo Family Music, pop music sound with a positive message for children of all ages and abilities. 10:30 a.m., Gaithersburg City Hall, Concert Pavilion, 31 S. Summit Ave. Free. 301-258-6350 or www.gaithersburgmd.gov/onstage.
Intergenerational Dance, members of the Sutradhar Institute for Dance and Related Arts perform “Ramayana,” the epic Indian story about the battle between good and evil. 1-3 p.m., Margaret Schweinhaut Senior Center, 1000 Forest Glen Rd., Silver Spring. Free. 240-777-8086.
Too Many Daves, the brass band performs. Part of the summer concert series. 6-8 p.m., Veterans Park, Woodmont and Norfolk avenues, Bethesda. Free. 301-215-6660 or www.bethesda.org.
David Schulman, performs selections from his release “Quiet Life Motel.” Part of the Glen Echo Park weekly summer concerts. The historic Dentzel carousel will operate during the concerts, and there will be dancing in the Pavilion and food will be available for purchase in the cafe. 7:30 p.m., Glen Echo Park, bumper car pavilion, 7300 MacArthur Blvd. Concert, free; carousel ride, $1.25. 301-634-2222.
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