COLLEGE PARK NEEDLE ARTS, an informal weekly gathering to work on quilting, knitting, embroidery and counted cross-stitch, sponsored by the College Park Needle Arts Society. 9:30-11:30 a.m., Old Parish House, 4711 Knox Rd., College Park. Free. 301-277-9630.
LANGLEY PARK EXERCISE CLASS, for seniors 60 and older of all fitness levels, chair exercises, strength training and light cardiovascular activities. 10 a.m., Langley Park Senior Center, 1500 Merrimac Dr., Langley Park. Free. 301-408-4343.
HYATTSVILLE CHILDREN'S MUSIC EVENT, learn about mathematics, ABC's, science and geography from music CDs. 6:30 p.m., Karibu Books, 3500 East West Hwy., Hyattsville. Free. 301-559-1140.
COLLEGE PARK FARMERS MARKET, fresh fruits and vegetables in an open-air market, sponsored by the Maryland-National Capital Park and Planning Commission. 7 a.m.-noon, Ellen Linson Swimming Pool parking lot, 5211 Paint Branch Pkwy., College Park. Free. 301-277-3717.
FISHING FOR BEGINNERS, for ages 5-14 accompanied by an adult, how to catch and release fish; equipment provided. 8-11 a.m., Patuxent River Park, 16000 Croom Airport Rd., Upper Marlboro. $6; residents of Prince George's and Montgomery counties, $5. Registration required. 301-627-6074.
FAIRMOUNT HEIGHTS LIBRARY MEETING, the Friends of the Fairmount Heights Library fundraising, volunteering and special projects. 10 a.m., Fairmount Heights Library, 5904 Kolb St., Fairmount Heights. Free. 301-883-2650.
LESSONS IN SONGS, children learn about mathematics, ABC's, science and geography from music CDs. 4 p.m., Karibu Books, 3289-B Donnell Dr., Forestville. Free. 301-736-6170.
LAUREL BIRDING, for all ages, a guided tour to identify birds in several refuge habitats; field guides and binoculars recommended. 8-10 a.m., Patuxent Research Refuge, North Tract, Route 198, between Baltimore-Washington Parkway and Route 32, Laurel. Free; registration required. 301-497-5887.
CHILDREN'S NATURE PROGRAM, for ages 5-7, a park ranger discusses frogs, turtles and snakes during an interactive program with stories and songs. 2-3 p.m., National Wildlife Visitor Center, Powder Mill Road, between the Baltimore-Washington Parkway and Route 197, Laurel. Free. 301-497-5887.
UPPER MARLBORO BOAT TOUR, an educational river-ecology tour on board the Otter. 2-3 p.m., Patuxent River Park 16000 Croom Airport Rd., Upper Marlboro. Free; registration required. 301-627-6074.
IVERSON MALL CHILDREN'S MUSIC PROGRAM, lessons in mathematics, ABC's, science and geography from music CDs. 3 p.m., Karibu Books, Iverson Mall, 3817 Branch Ave., Hillcrest Heights. Free. 301-899-3730.
LAUREL NIGHT HIKE, for all ages, a guided hike to look and listen for owls, frogs, bats, bugs and other creatures. 7-8:30 p.m., Patuxent Research Refuge, North Tract, Route 198, between Baltimore-Washington Parkway and Route 32, Laurel. Free; registration required. 301-497-5887.
LANGLEY PARK BRIDGE GAMES, for ages 60 and older. 9 a.m.-2 p.m., Langley Park Senior Center, 1500 Merrimac Dr., Langley Park. Free. 301-408-4343.
UPPER MARLBORO COLONIAL TEA, registration deadline is Tuesday for an all-you-can-eat buffet tea to be held 1-3 p.m. Sept. 12, sponsored by the Billingsley House Museum. $15; reservations required. Call for directions. 301-627-0730.
LAUREL NATURE PROGRAMS, for ages 16 and older, a park ranger discusses bird identification, habitats and more; bring binoculars and a field guide. 8-10 a.m., National Wildlife Visitor Center, Powder Mill Road, between the Baltimore-Washington Parkway and Route 197, Laurel. Free; registration required. 301-497-5887.
LANGLEY PARK LINE-DANCE CLASS, for seniors ages 60 and older of all experience levels. 10 a.m.-12 p.m., Langley Park Senior Center, 1500 Merrimac Dr., Langley Park. Free. 301-408-4343.
LAUREL GOOSE TALK, ages 3-4 learn about the life of geese through stories and crafts. 10:30-11:30 a.m. and 1-2 p.m., National Wildlife Visitor Center, Powder Mill Road, between the Baltimore-Washington Parkway and Route 197, Laurel. Free. 301-497-5887.
ADOPTION INFORMATION, representatives from Adoptions Together discuss the process for adopting an older black child and available support services. Adoptive parents must be residents of Maryland, Virginia or the District. 7-8:30 p.m., Largo-Kettering Library, 9601 Capital Lane, Largo. Free. 301-336-4044.
CAMP SPRINGS TOWN MEETING, Prince George's County Board of Elections representative Carl Ruble discusses the role of the Board of Elections, provides voter registration information and demonstrates use of an electronic voting machine. Sponsored by the Camp Springs Civic Association. 7:30 p.m., Thurgood G. Marshall Middle School, 4909 Brinkley Rd., Camp Springs. Free. 301-449-9479.
COLLEGE PARK PETER PAN CLUB, for children 3-5 accompanied by an adult, aviation-based activities, including flying stories, pedal planes, crafts and games. 10:30 a.m.-noon the second and fourth Thursdays of each month, College Park Aviation Museum, 1985 Cpl. Frank Scott Dr., College Park. Free with regular museum admission of $4; seniors, $3; ages 18 and younger, $2. 301-864-6029.
-- Compiled by LISA MARTIN
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