A weekend calendar of events for families.

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Today

Wallingford Wurst Festival

Bratwurst and sauerkraut, salmon, pasta and burgers, book fair, beer garden, games for kids, rides, craft vendors, 10 a.m.-10 p.m., Biergarten open until midnight, St. Benedict School, 4811 Wallingford Ave. N., Seattle (206-633-3375).

Animal Shelter Guardian Angel Day

Seattle Animal Shelter dogs parade around Green Lake, public invited to join with their well-behaved dogs; information on pet-behavior issues, stories of rescued pets, pets available for adoption at the shelter after event, 11 a.m.-2 p.m., Green Lake Park, 7201 E. Green Lake Drive N., Seattle (206-386-7387 or www.seattleanimalshelter.org).

Fraser Cabin

Heritage Program

Learn about the construction of the 1888 Fraser log cabin, with tool demonstrations and hands-on activities including building a model log cabin, noon-3 p.m., Kelsey Creek Community Farm Park, 13204 S.E. Eighth Place, Bellevue; free (425-450-1049).

Kids Day America

Health, safety and environmental awareness information with health screenings, free kids’ ID cards, food, noon-3 p.m., 31453 28th Ave. S., Federal Way (253-838-6909).

K-9 Karnival

Vendors, dog show, dog crafts and contests; dogs must be leashed, noon-2:30 p.m., Steel Lake Park, 2410 S. 312th St., Federal Way; $5/per dog (253-835-6900).

Salsa Celebration

Taste South 47 Farm’s salsas, with recipes and ingredients to make your own; hay rides, storytelling, music, farm animals, corn maze, farm stand and U-pick with seasonal fruits and vegetables, 10 a.m.-5 p.m., South 47 Farm, 15410 N.E. 124th St., Redmond (425-869-9777 or www.south47farm.com).

The Great Zucchini Race

Any type, size or shape of zucchini welcome to race in business, kids and adult divisions, noon, Bainbridge Island Farmers Market, Town Square at City Hall Park, Bainbridge Island (www.bainbridgefarmersmarket.com).

Community Kids’ Day

Gardening activities for kids, arts and crafts, scavenger hunt, 10 a.m.-3 p.m., Lakewold Gardens Estate, 12317 Gravelly Lake Drive, Lakewood; admission one new or gently used toy or $1 to benefit Toy Rescue Mission (253-584-4106).

Today, Sunday

Seattle Fiestas Patrias

Celebrates the independence of Mexico and other Latin American countries with entertainment, cultural displays, noon-6 p.m. today and Sunday, Seattle Center, Seattle (206-684-7200 or www.seattlecenter.com).

Adventures with Clifford

The Big Red Dog

New interactive, educational and bilingual (English and Spanish) exhibit inspired by the children’s books and TV show with Clifford, Emily Elizabeth and friends, activities including a ride on the Birdwell Island Ferry, slide down Clifford’s tail, Samuel’s Fish and Chips Shack, T-Bone’s Beach and more, at the museum through Jan. 7, 10 a.m.-6 p.m. Saturday and Sunday, 10 a.m.-5 p.m. Monday-Friday, The Children’s Museum, Seattle Center House, Seattle; $6.50-$7.50 (206-441-1768 or www.thechildrensmuseum.org).

Friends of the Seattle Public Library Book Sale

Sale of more than 200,000 books and art prints, audiocassettes, compact discs, computer software, records, DVDs: most books $1, 9 a.m.-5 p.m. today, 11 a.m.-4 p.m. Sunday, Magnuson Park, 7400 Sand Point Way N.E., Seattle (206-523-4053 or www.splfriends.org).

Lake Union

Boats Afloat Show

Display of more than 350 new and previously owned sail and power boats, sailing regatta, children’s water-safety education, dog-obstacle-course exhibition, free sailboat rides, 10 a.m.-6 p.m. today and Sunday, Chandler’s Cove, 901 Fairview Ave. N., Seattle; $5-$10 (206-748-0012).

Maritime Fest

Art show, dragon-boat races, harbor tours, boat-building, kids’ activities, food, salmon bake and beer garden, Puget Sound DockDogs Competition, music and vessel tours, 9 a.m.-6 p.m. today, 10 a.m.-5:30 p.m. Sunday, Port of Tacoma, 1 Sitcum Plaza, Tacoma, and Working Waterfront Maritime Museum, 705 Dock St., Tacoma, most events free; Tacoma Rail train rides and open house, 10 a.m.-2 p.m. today, Tacoma Rail, 2601 SR-509/N. Frontage Road, Tacoma (253-318-2210 or www.maritimefest.org).

Sunday

Bug Blast at Burke Museum

Thousands of bug specimens, dead and alive, activities for all ages, 10 a.m.-4:30 p.m., Burke Museum of Natural History and Culture, University of Washington, Seattle; $5-$8 (206-543-5590).

Cascade Spawning Cycle

Cascade Bicycle Club fundraiser for bicycle-safety programs on routes based on the salmon spawning cycle, with Family Fry 4-mile flat loop on bike trails, Chum Run 14-mile route, Fit For A King 32 miles, Copper River Special 45 miles, followed by after-ride party and salmon barbecue with youth bike rodeo, stunt course and games; all routes begin and end at Myrtle Edwards Park, course open 8 a.m.-3 p.m., registration open 8-10:30 a.m., youth bike rodeo 11 a.m.-1 p.m., finish-line party 11 a.m.-3:30 p.m., Myrtle Edwards Park, 3130 Alaskan Way W., Seattle; $25, $5 discount for Cascade Bicycle Club members; $5/ages 6-12 (206-522-3222 or www.cascade.org).

Bicycle Sunday

Bicycle along Lake Washington Boulevard, closed to motorized vehicles, 10 a.m.-6 p.m., Lake Washington Boulevard from Mount Baker Beach to Seward Park, Seattle (206-684-4075 or www.cityofseattle.net/parks/Athletics /bikesatsun.htm).

Pike Place Market Buskers Festival

Street entertainers including singers, jugglers, magicians, balloon artists, dancers and performers for all ages, 11 a.m.-5 p.m., Pike Place Market, Seattle; free (206-682-7453).

Back to School Expo

Youth-friendly back-to-school event with hands-on activities, performances and information for parents to learn about resources and ways to get involved; 11 a.m.-5 p.m., Calm Rain Designs Studio, 1825 S. Jackson St., Seattle; free (206-860-3974).

Pacific Northwest Shell Club

Join members to study mollusks, their habitat and preservation and the hobby of shell collecting, shells for sale, 2 p.m., Our Savior Lutheran Church, Seattle, 12509 27th Ave. N.E., Seattle; free (206-362-1634).

Today-Sept. 24

Puyallup Fair

Farm animals, home arts, hobby hall, 4H displays, floral and landscape displays, rides including newly expanded rides for young children, games, food and entertainment, 10 a.m.-11 p.m. today and Sept. 22-23, 10 a.m.-10 p.m. Sunday-Sept. 21 and Sept. 24; Fiestas Patrias Latino Celebration with Latin entertainment, food, vendors, kids’ activities, noon-9 p.m. Sunday, Main Grandstand; Puyallup Fairgrounds, 110 Ninth Ave. S.W., Puyallup; $7-$10, admission $5 after 8:05 p.m. Fridays; unlimited ride bracelet $19.50-$29.50 Monday-Thursday; parking $7 Monday-Friday, $8 Saturday and Sunday (253-841-5045 or www.thefair.com).