Day at the Races (Cheney) - Build and race your own creation. 4 p.m. Cheney Library, 610 First St., Cheney. Free. (509) 893-8280.
Free Dance Class - Presented by River City Cloggers. For all ages, no partner required. 6:30-9 p.m. Corbin Community Center, 827 W. Cleveland Ave. Free. (509) 327-9811.
Styx - Performing at Spokane County Interstate Fair. 1970s-’80s rock music band famous for songs “Lady,” “Come Sail Away,” “Babe” and “Mr. Roboto.” 7 p.m. Spokane County Fair and Expo Center, 404 N. Havana St., Spokane Valley. $10-$25, does not include fair admission. (509) 325-SEAT.
Spokane County Interstate Fair - Through Sunday. Includes live music, animals, exhibits, amusement rides and food. Visit www.spokanecounty.org/fair/sif for a full schedule. Spokane County Fairgrounds, 404 N. Havana St. $10 adults, $7 for seniors and children ages 7-13. Children 6 and under are free. (509) 477-1766.
Cirque Du Soleil’s ‘Quidam’ - Through Sunday. Features a spectacular showcase of high-flying performances. The storyline follows Zoe, a young girl escaping into the imaginary world of Quidam. Spokane Arena, 720 W. Mallon Ave. $35-$90. (800) 325-SEAT.
Riverfront Park Fall Attractions - Fall hours of attractions are: SkyRide open Tuesdays-Sundays, 11 a.m.-5 p.m.; Carrousel open Tuesdays-Sundays, 11 a.m.-6 p.m.; check website for IMAX show and times; Tour Train runs Saturdays-Sundays, 11 a.m.-4 p.m.; Mini-Golf open daily 11 a.m.-5 p.m. Riverfront Park, 507 N. Howard St. SkyRide is $4-$8.25; Carrousel is $1-$2; IMAX is $5.75-$10.25. (509) 625-6623.
Waste-to-Energy Facility Tours - Interested in knowing what happens to our garbage? Walk-in groups of 10 or fewer are welcome at 10 a.m. and 1 p.m. Wednesdays and Thursdays. Group tours for more than 10, individuals with special needs, and classrooms can be arranged by calling ahead. Spokane Regional Solid Waste System, 2900 S. Geiger Blvd. (across from the Washington State Patrol). Free. (509) 625-6521.
A Dandy BeGin! - Celebrate the spirit of a bygone era. At 5 p.m., bring your bike for a Browne’s Addition Tweed Ride departing from the MAC parking lot. Prizes awarded for the most stylish chap, snappy lass and marvelous mustache. At 6 p.m., it’s BeGin, with Old Bear Mountain, DJ LOCKE and Bike Fights. Also featuring: period spirits, bike items from MAC’s collection, open galleries, special nighttime viewing of the Campbell House and badminton on the front lawn with Spokane Badminton Club. Period dress is highly encouraged. Inspiration found here: http://vimeo.com/34718505. 5-9 p.m. Northwest Museum of Arts and Culture, 2316 W. First Ave. Free, donations accepted. (509) 363-5311.
Blues Traveler - Performing at Spokane County Interstate Fair. Blues/rock band. 7 p.m. Spokane County Fair and Expo Center, 404 N. Havana St., Spokane Valley. $10-$20, does not include fair admission. (509) 325-SEAT.
“The Taffetas” - Presented by St. George’s School. 7 p.m. St. George’s School, Founders Theater, 2929 W. Waikiki Road (509) 466-1636, ext. 397.
“Hello, My Name is Harold” - Improvised shows. All ages welcome. Shows Fridays through Sept. 28. 8 p.m. Blue Door Theatre, 815 W. Garland Ave. $9/general admission, $7/children, seniors and students with valid ID. (509) 747-7045.
Monster Truck Show - Shows at 2 and 7 p.m. at Spokane County Interstate Fair. Spokane County Fair and Expo Center, 404 N. Havana St., Spokane Valley. $8-$10, plus gate admission. (800) 325-SEAT.
15 Minutes … What Would You Do? - Dance theater presented by the Ferris High School Dance Team to support their yearly activities. Matinee at 2 p.m. and dinner show at 7 p.m. Ferris High School, Commons, 3020 E. 37th Ave. matinee: $8; dinner show: $15/adults, $8/ages 12 and younger. (509) 701-5412.
Walk for Wishes - Make-A-Wish Washington is hosting its third annual event. This 5K walk and fun run is a family-friendly event that will generate funds to help grant the wishes of local children with life-threatening medical conditions. Food, beverages and family entertainment provided. Registration is free, but fundraising is encouraged for each participant to support future wish granting. Register online at nwwishes.org or call (509) 458-2618. 8:45 a.m.-noon. Mirabeau Meadows Park, 13500 E. Mirabeau Parkway, Spokane Valley. (509) 688-0300.
Liberty Lake Farmers Market - 9 a.m.-1 p.m. 1421 N. Meadowwood Lane, Liberty Lake. Free.
2012 Spokane Heart Walk - Join the American Heart Association for a day of fun, fitness and fundraising. Heart disease and stroke survivors, community teams and corporate teams can take a stand against cardiovascular disease in a noncompetitive one-mile and three-mile walk. After the walk, celebrate with festivities for the whole family. Register at www.spokaneheartwalk.org or call. 9 a.m. Riverfront Park, Clocktower, 507 N. Howard St. Free. (509) 536-1500.
Children’s Renaissance Faire - Games, children’s activities, face painting, magicians, jugglers, harpists, storytellers and renaissance players. 11 a.m.-2 p.m. Manito Park, 1702 S. Grand Blvd.
Author Esther J. Hildahl - Retired elementary school teacher signs copies of “Meadow Pond,” the book she wrote and illustrated for middle readers. 1-3 p.m. Auntie’s Bookstore, 402 W. Main Ave. (509) 838-0206.
Eco-Story Time - Spokane celebrates Sustainable September all month. Head down for some stories that will help you go green. 1 p.m. Auntie’s at the Square, 808 W. Main Ave. Free. (509) 456-4775.
Teen Book Club - Discuss this month’s book, “Divergent,” by Veronica Roth. 1 p.m. Auntie’s Bookstore, mezzanine, 402 W. Main Ave. Free. (509) 838-0206.
Double Header Demolition Derby - Part of Spokane County Interstate Fair. 4 p.m. Fair and Expo Center, 404 N. Havana St., Spokane Valley. $6-$8, plus gate admission. (800) 325-SEAT.