It’s all about girls this week at the Portland Japanese Gardens, where boys and girls can celebrate Hina Matsuri (Girls’ Day) – a day to honor the health and happiness of..girls! Visit the Garden Pavilion to see a special collection of Hina dolls, elaborately costumed and accompanied by lacquered furniture. This Saturday, admission is free from 10 a.m.-4 p.m. All ages. Portland Japanese Gardens, 611 S.W. Kingston Ave., Portland. Feb. 26-Mar. 3: Friday-Sunday, Tuesday-Wednesday 10 a.m.-4 p.m.; Monday noon-4 p.m.

Learn how to make paper airplanes that spin, tumble, loop, circle back, flap their wings, flip over and fly upside down! Stop by the Evergreen Aviation & Space Museum and learn from the best: award-winning Paper Airplane Guy John Collins. Free with admission. All ages. 500 N.E. Captain Michael King Smith Way, McMinnville. Saturday, Feb. 27, 11 a.m., 1 p.m.

The ultimate bad guy stands trial in The True Story of the 3 Little Pigs, a wacky courtroom drama based on the equally wacky book by Jon Scieszka and Lane Smith. The Honorable Prudence Pig considers the case of doggy defendant Alexander T. Wolf - is he Big and Bad, or just misunderstood? $16-$24. All ages. Oregon Children's Theatre at Winnigstad Theater, 1111 S.W. Broadway Drive, Portland. Feb. 27-March 21: Saturdays, Sundays 2 p.m., 5 p.m.

The monthly kids' variety rock show includes musical guests The Builders and the Butchers, an interactive dance party with a DJ and giant barn owls (?!), cartoons, puppets, singalongs, parades and other off-the-hook family fun. Doors open at noon. $5-$10, non-walkers free. All ages. McMenamin's Kennedy School, 5736 N.E 33rd Ave., Portland. Sunday, Feb. 28, 1 p.m.

Take a stroll in search of lil’ wigglers with the Columbia Slough Watershed Council. It’s a story time and guided nature walk for preschoolers to look for tadpoles in the water. Call or email to sign up (required). 10 a.m. $3. Ages 3-5. 5740 N. Marine Drive, Portland. Wednesday, Mar. 3, 10 a.m.