1 Flint napping event
The Puget Sound Knappers will hold its fifth annual flint knapping event. Learn how to turn flint into sharpened points for arrows and spears. 9 a.m.-5 p.m. Sunday (March 1). Cabela’s, 1600 Gateway Blvd. NE, Lacey. Free. 360-252-3500, pugetsoundknappers.com
2 Boston Harbor pier peer
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The South Sound Estuary Association is offering a chance to learn about the marine creatures that live below the surface of Puget Sound; bring your own flashlight and dress for the weather. 7 p.m. Friday. Boston Harbor Marina, 312 73rd Ave. NE, Olympia. $10 for 12 and older, free for ages 6-11 with an adult. sseacenter.org
3 Muzzleloading, pioneer craft show
The Cascade Mountain Men will hold their annual muzzleloading arms and pioneer craft show; there will be firearms and accessories, leather and fur goods, camping gear, Native American crafts and more. 9 a.m.-5 p.m. Saturday and 9 a.m.-3 p.m. March 8. Evergreen State Fairgrounds, Monroe. $5, children 12 and younger admitted free. 206-300-1481, cascademountainmen.com.
4 Snake Lake science fair
Students ages 6-18 can enter their science fair projects; open to all public, private and homeschool students. Project application deadline is Tuesday; science fair is 1:30-2:30 p.m. Saturday. Tacoma Nature Center, 1919 S. Tyler St., Tacoma. $10 per entry. Get details at tacomanaturecenter.org or by calling 253-591-6439.