Kootenai Health Triathlon for Kids Ages 4-11. The area’s only all-kids triathlon. Registration forms are available online and at the McGrane Center for Rehabilitation front desk. Saturday, 8:30 a.m., Kootenai Health, 2003 Kootenai Health Way, Coeur d’Alene. $20, includes T-shirt and medal. (208) 625-5311.
Latino Americano Festival Songs, dances, food and more. Saturday, 6-10 p.m., Rogers High School, 1622 E. Wellesley Ave. Free. (509) 828-2294.
“Grease! School Version” Auditions Kids in grades 7-12 are invited to audition for a junior production of “Grease!” Come with a song prepared. Bring sheet music for the accompanist or a CD accompaniment (do not try to use a phone). Auditioners will be asked to read from the script. Audition on one or both nights. Monday, 3 p.m., Pend Oreille Playhouse, 240 N. Union Ave., Newport. Free. (509) 447-9900.
Christian Youth Theater – North Idaho Fall Classes Classes every Tuesday or Thursday from 4:15-6:15 p.m. for 10 weeks. For ages 6-18. All students will perform in a showcase at the Kroc Community Theater on Nov. 18. Tuition is $175 for 22 hours of instruction. Visit cytnorthidaho.org for class schedule. Scholarships and payment plans are available. Christian Youth Theater – North Idaho, 2775 Howard St., Coeur d’Alene. $150-$175. (208) 765-8600.
“Fruits - Vegetables - Harvest!”: Family Storytime Let’s celebrate the harvest with stories about the fruits of our gardens. If weather permits, we’ll have our storytime outside, so bring blankets or chairs. Tuesday, 6:30 p.m., East Side Library, 524 S. Stone St. Free. (509) 444-5375.
Tween Club: Egg Drop Challenge Just for tweens in grades 4 and up. Using the materials provided, try to build a container that will save Humpty from certain death as we drop and launch eggs around the room. Wednesday, 4 p.m., Spokane Valley Library, 12004 E. Main Ave., Spokane Valley. Free. (509) 893-8400.
Boom! Sequential Reaction: A History of the American Comic Book Interactive, multimedia look at comics in historical context, presented by Andrew Wahl in participation with Humanities Washington. Free. Wednesday, 6:30 p.m., Argonne Library, 4322 N. Argonne Road, Millwood, (509) 893-8260. Thursday, 7 p.m., North Spokane Library, 44 E. Hawthorne Road, (509) 893-8350.
Make Personalized Locker Magnets We’ll provide the supplies to make locker magnets that express your personality. For ages 10-16. Thursday, 4 p.m., Indian Trail Library, 4909 W. Barnes Road. Free. (509) 444-5395.
Mountain Harmony Show Choir Ages 12-20 are invited to join a show choir that will perform a Christmas program in December and Broadway numbers in the spring. Join any week until the end of October. Thursday, 4-6:30 p.m., United Church of Christ Newport, 430 W. Third St., Newport. 509 671-5569.
Kidical Mass South Perry Neighborhood Fun, safe bike ride especially for kids. Ride through the South Perry neighborhood starting in parking lot of Two Wheel Transit. Thursday, 5:30 p.m., Two Wheel Transit, 817 S. Perry St. Free. (509) 723-2908.
Backyard Astronomy Without a Telescope: Shadle Library Join astronomer Dan Bakken and learn what you can see in the sky with the naked eye or with binoculars. Thursday, 6:30 p.m., Shadle Library, 2111 W. Wellesley Ave. Free. (509) 444-5390.