A weekend calendar of events for families.

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Today

Kiddie Carnival

Games and jump toys for ages 5 and younger with adult, 10 a.m.-1 p.m., Magnuson Community Center, 7110 62nd Ave. N.E., Seattle; 50 cents per game (206-684-7026).

West Point Lighthouse Anniversary Celebration

Celebrating the anniversary of the lighthouse first in operation on Nov. 15, 1881, 10:30 a.m.-3 p.m., Discovery Park, 3801 W. Government Way, Seattle; free (206-386-4236).

Orienteering

Cascade Orienteering Club event invites participants to explore the park by hunting for search points marked on a map. No experience is necessary; instruction is available, start any time 10 a.m.-noon, Magnuson Park, 7400 Sand Point Way N.E., Seattle; $5-$10 (425-778-7202 or www.cascade oc.org).

Nathan Hale High School Foundation

A variety of performances by Nathan Hale school groups and others, including music performances, theatre sports, poetry slam, dance; food available, noon-7.p.m., Nathan Hale High School, 10750 30th Ave. N.E., Seattle; free, donations requested to benefit the Performing Arts Center. (206-524-7249).

Today, Sunday

Washington Ski and Snowboard Expo

Sale of ski and snowboard equipment and accessories, ski swap, information on ski resorts, backcountry and travel destinations, 10 a.m.-8 p.m. today, 10 a.m.-6 p.m. Sunday, Qwest Field Plaza, 800 Occidental Ave. S., Seattle; $10/adults, ages 11 and younger free; four or more in a vehicle park free at Qwest Field Event Center Parking Garage, entrance on South Royal Brougham Way across from Safeco Field (206-381-7500 or www.onthe snow.com/bewi/seattle/).

Yulefest

Holiday event with vendors, entertainers and traditional Scandinavian food, Santa photos, kids’ craft room, musical performers, 10 a.m.-6 p.m. today, noon-5 p.m. Sunday, Nordic Heritage Museum, 3014 N.W. 67th St., Seattle; $1-$2, limited parking is available for $1 in the museum parking lot (206-789-5707).

Hands-On Natural History

In-depth look at natural history to learn about and discuss contemporary issues and questions including biological evolution, conservation and land use, geological processes and other topics, 11 a.m.-3 p.m. today and Sunday, Burke Museum of Natural History and Culture, University of Washington, Seattle; museum admission $5-$8 (206-543-5590 or www.burkemuseum.org).

Hip-Hop Back To Its Roots Performances & Workshops

Live performances and interactive workshops explore the elements that have influenced hip-hop and pay tribute to the historical content of the music and the rhymes; family friendly, workshops 11 a.m.-4:15 p.m., performance 8 p.m. today;workshops, competitions, art walk, fashion show 1-5 p.m. Sunday, Langston Hughes Performing Arts Center, 104 17th Ave. S., Seattle; $2-$12 (800-838-3006).

Quilt, Craft and

Sewing Festival

Vendor Mall, Make-It and Take-Its, workshops, seminars, door prizes, 10 a.m.-5 p.m. , Western Washington Fairgrounds, 110 Ninth Ave. S.W., Puyallup; $7-$8 (800-717-8789).

Sunday

Puget Sound

Electric Model Flyers Day

SUN Learn about historic air battles and the hobby of model-making with the Puget Sound Radio Control Military Modelers, 10 a.m.-5 p.m., Museum of Flight, 9404 E. Marginal Way S., Seattle; $7.50-$14 (206-764-5720).

Pacific Northwest Shell Club

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