A weekend calendar of events for families.

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Today

Follow the salmon up the Cedar River

Exhibits and volunteers provide information on the natural and human history of the river and the life cycle and habitat needs of salmon and other fish, 11 a.m.-4 p.m. (also 11 a.m.-4 p.m. Oct. 21-22), Renton Public Library, 100 Mill Ave. S., Renton; Riverview Park, Maple Valley Highway and Southeast Fifth Street, Renton; Cavanaugh Pond, north side of the Maple Valley Highway (Highway 169) 4.5 miles east of I-405, Maple Valley; Landsburg Park, turn off Summit Landsburg Road, go north on Landsburg Road (276th Ave. S.E.) about .25 miles, Kent (206-245-0143).

North Beach Elementary Arts & Crafts Fair

Crafts by more than 100 local artists and school families, activities for children, concessions, 9 a.m.-4 p.m., North Beach Elementary School, 9018 24th Ave. N.W., Seattle (206-252-1510 or www.northbeachelementary.org).

Today, Sunday

KidFest at The Children’s Museum, Seattle

Music, literacy and pretend play, performances including Thistle Theatre, Snapdragon Puppets, SecondStory Rep, Let’s Pretend Circus, exhibits by PCC Natural Markets, Woodland Park Zoo, Burke Museum of Natural History, 10 a.m.-6 p.m. today and Sunday, The Children’s Museum, Seattle Center House, Seattle; $6-$7.50 (206-441-1768).

Canine Fest

Contests, events and demonstrations, all-breed dog show, vendors, 10 a.m.-5 p.m. today, 10 a.m.-3 p.m. Sunday, Western Washington Fairgrounds, 110 Ninth Ave. S.W., Puyallup; $7 or $5 with canned-dog food donation (253-845-1771).

Gem and Jewelry Show

Marysville Rock and Gem Club display and sale, information about rock collecting, 10 a.m.-5 p.m. today and Sunday, Marysville Jr. High School, Seventh Avenue and State Street, Marysville (360-659-0675).

Sunday

Seattle ComiCard Convention

Comic books, trading cards, action figures and other collectibles, comic-book writers and artists, free promotional items while supplies last, 10 a.m.-5 p.m., Seattle Center Rainier Room, Seattle; $4 or $3 with canned-food-bank donation (206-365-1207).

Pacific Northwest Shell Club

The hobby of shell collecting, program by Seattle Aquarium on “Intelligence of Octopuses,” 2 p.m., Our Savior Lutheran Church, Seattle, 12509 27th Ave. N.E., Seattle; free (206-362-1634).