Rilke Schule Potluck, 5-7:30 p.m. today, Rilke Schule German School of Arts and Sciences, 650 W. International Airport Road. Get to know families and students. Last names A-H bring salad, I-Q bring dessert, R-Z bring a side dish. Meat for the barbecue will be provided. Some members/families have allergies to dairy/milk, peanuts, tree nuts, wheat, corn, oats and soy. Organizing, setup and cleanup help needed. The school lottery drawing will be at 4 p.m. (770-6977, www.rilkeschule.org; taphad@mac.com, thepontons@yahoo.com)
Earthwatch Mongolia: Tracking Argali in the Desert, 4 p.m. Saturday, Elim Cafe, 561 W. Dimond Blvd. Join Ruth Fitzpatrick, Alaska field representative for Earthwatch Institute, for a kid-friendly presentation on how Earthwatch helps everyday citizens do extraordinary scientific research. Coloring pages and crayons provided. (267-4288)
Nation of Wellness Family Run/Walk, 10 a.m.-12:30 p.m. Saturday, Alaska Native Tribal Health Consortium, 4000 Ambassador Drive. For walkers and runners of all ages and fitness levels. A celebration featuring healthy food, entertainment and activities will be afterward. Sponsored by Healthy Alaska Natives Foundation. $20, $40 for family, $180 for team of 10. (729-5652, www.anthc.org/HANF)
Summer Solstice Flyball Tournament, 10 a.m., 11 a.m., noon, 2 p.m. and 3 p.m. Saturday-Sunday (makeup rain day on Monday), Alaska State Fairgrounds; follow the signs to the Purple Gate. Alaska Dogs Gone Wild hosts a fast-paced sport with teams of four dogs that compete in relay races. Sponsored by Arctic Tails. Free. (696-6940, flyballdogs.com/alaska, alaskaflyball@gmail.com
Mommy/Son Play Date, 11 a.m.-3 p.m. Sunday, Kincaid Outdoor Center, 9401 Raspberry Road. Enjoy slip-and-slides, parachute games and more. Participants should preregister. Sponsored by Municipal Parks and Recreation. $7, $2 additional son. (343-6397, 343-6566)
Red, White and Blue Crew Marching Band rehearsals are 7-9 p.m. Tuesday-Thursday, Service High School. Join the band and play in the July 4 parade. Open to middle school students and older, and adults. Pick up free music sheets for trumpet, trombone, baritone, French horn, sax, clarinet, bass clarinet, oboe and flute at Music Man, 521 W. Tudor Road, and Horn Doctor, 1000 Ingra St. (346-1925)
The Imaginarium presents Creepy Crawlies, 2 p.m. Tuesday, Loussac Library, Wilda Marston theatre, 3600 Denali St. Experience a presentation on arthropods and learn about insects and arachnids. Free. (343-4089, www.anchoragelibrary.org)
The Imaginarium presents Creepy Crawlies, 2 p.m. Wednesday, Samson-Dimond Branch Library, 800 E. Dimond Blvd., Dimond Center, second floor; also at 6:30 p.m. Wednesday, Scott and Wesley Gerrish Library, 250 Egloss Drive, Girdwood. Free. (343-4089, 343-4024; www.anchoragelibrary.org)
Rilke Schule School Tour, 10-11 a.m. Wednesday, Rilke Schule German School of Arts and Sciences, 650 W. International Airport Road. Tour the building and obtain information about the German immersion charter program. (742-7455, www.rilkeschule.org)