10 Under $10: Fun things to do on the cheap

1. Horn Symposium Concert No. 1 8 p.m. Friday, University of Idaho, Lionel Hampton School of Music, Haddock Performance Hall, 1010 Blake Ave., Moscow. Denise Tryon, fourth horn of the Philadelphia Orchestra and horn faculty at the Peabody Institute, and Karl Pituch, principal horn of the Detroit Symphony. Other Horn Symposium concerts will be at 2:30 and 8 p.m. Saturday and 3 p.m. Sunday. (208) 885-6231. Admission: $5 adults, $3 students and seniors

2. “WWI: The War to End All Wars” 11 a.m.-4 p.m. Wednesdays through Saturdays, through Nov. 30, Spokane Valley Heritage Museum, 12114 E. Sprague Ave. Exhibit commemorates the 100th anniversary of the United States’ entry into World War I. Group tours welcome, call to schedule. (509) 922-4570. Admission: $6 adults, $5 seniors, $4 ages 7-17.

3. WomenFLY 8:30 a.m. Saturday, Felts Field, 6095 E. Rutter Ave., Hangar Bay 3, Spokane Valley. Girls are invited to participate in a day of motivational and career-oriented activities that allow them to meet and learn from professional women working in a variety of aerospace-related careers. (206) 764-5700. Admission: FREE

4. Caspar Babypants 10:30 a.m. Saturday, CenterPlace, 2426 N. Discovery Place, Spokane Valley. Family concert with Chris Ballew, frontman of the band Presidents of the United States, creating intelligent, simple music for kids and their parents to enjoy together. (509) 893-8200. Admission: FREE

5. City of the Weak 7:30-11:30 p.m. Friday, the Pin, 412 W. Sprague Ave. Minneapolis-based alt-rock trio head out on the Ungrateful Tour, with support from Manwithnoname, McNutt, Destiny, Legion Sik, and Miciah. (509) 368-4077. Admission: $7

6. “She Kills Monsters” 7:30 p.m. Fridays and 2 and 7:30 p.m. Saturdays through April 8, Jones Theatre, Washington State University, 1060 E. College Ave., Pullman. “She Kills Monsters” tells the story of Agnes Evans as she leaves her childhood home after her family dies in a car accident. When she finds her younger sister Tilly’s Dungeons & Dragons notebook, Agnes decides to learn more about her sister by playing through a campaign Tilly had created. This production includes strong language and mild adult themes. (800) 325-SEAT. Admission: $10, $8 for seniors, students and children

7. National Poetry Month: “Six Poems That Can Save Your Life” 6:30 p.m. Wednesday, North Spokane Library, 44 E. Hawthorne Road. Washington state poet laureate Tod Marshall continues to build awareness and appreciation of poetry in this discussion series. In a casual atmosphere where everyone is welcome, hear poems and join the discussion of the influence and impact of poetry on our communities. (509) 893-8350. Admission: FREE

8. “Filmed by Bike” 7 p.m. Tuesday, Kenworthy Performing Arts Centre, 508 S. Main St., Moscow. The world’s best bike movies, from a gigantic film festival held every year in Portland. Wine, beer, cider available for purchase. (208) 874-3860. Admission: $5, $3 students in kindergarten through 12th grade

9. Reader’s Theatre 3 p.m. Sunday, St. Joseph’s Church, 1517 W. Dean Ave. St. Joseph’s Church will present “The Perilous Passing of Prudence Proudwell,” a melodrama by Donald Mellen in conjunction with Pioneer Drama Service. This is a fundraising event and will include complimentary refreshments. Raffle tickets for various baskets will also be available for purchase. (509) 328-4841. Admission: $10

10. BootSlam Sunday, sign-ups at 7 p.m., slam at 7:30 p.m., Boots Bakery, 24 W. Main Ave. This is the last chance to qualify for Spokane Poetry Slam Finals. Anyone is welcome to compete, and the top eight point-earning poets from 2016-2017 will earn their places on the finals stage, later in April. Spokane Poetry Slam does not censor for content. Discretion is advised. $50 prize to winner. (509) 703-7223. Admission: $5 to compete or watch