Tween Time: 11 a.m. Saturday, Boulder Public Library, 1001 Arapahoe Ave., Boulder. Learn how to write a flash fiction stories. Flash fiction is a form of short-short stories that are 1,000 words or less. They can even be as short as one sentence. Use the imagination (or some provided prompts) to create a flash story. Everyone will get a journal to decorate and write in. For tweens ages 9-11 years old. Snacks provided. calendar.boulderlibrary.org.

Domi Edson Trio at Full Cycle Cafe: 6:30 p.m. Saturday, Full Cycle Café & Bar, 2355 30th St., Boulder. Domi Edson is an emerging force as a jazz bassist and composer originally from Seattle and now residing in Denver. With her compelling sound, personal recordings and exciting live performances, she is quickly establishing herself as a rising star on the national scene. $20-$25, fullcyclebikes.us12.list-manage.com.

Boulder Friends of Jazz Jam Session: 1 p.m. Sunday, Avalon Ballroom, 6185 Arapahoe Road, Boulder. Come listen, play and dance to vintage jazz of the ’20s, ’30s and ’40s at Boulder Friends of Jazz jam session. $2-$12, 303-449-1888.

Go Club for Kids and Teens: 1:30 p.m. Sunday, Boulder Public Library, 1001 Arapahoe Ave., Boulder. Learn to play the ancient and mysterious board game known as Go. Developed 4,000 years ago in China, the rules are so simple they can be taught in a few minutes, but it can take a lifetime to master the game. Go boards are provided and take-home sets made of cardboard are available for free. Ages 5 and up. calendar.boulderlibrary.org.

Film Social — “Castle in the Sky”: 2 p.m. Sunday, Boulder Public Library, 1001 Arapahoe Ave., Boulder. Studio Ghibli Holiday concludes with “Castle in the Sky” on the big screen in the Canyon Theater. This family-friendly event will include themed activities and snacks. The film is rated PG, with a runtime of 2 hours and 5 minutes. English dub with English subtitles. Come at 1:30 p.m. to make a themed craft. calendar.boulderlibrary.org.

Winter on the Range: 10 a.m. Monday, Beech Shelter, 3100 Neva Road, Longmont. Experience the magic of winter on the plains, and learn how local wildlife adapts to the cold, snowy season. Knowledgeable naturalists will guide you on a 2-mile walk along a prairie dog colony, sharing insights into the fascinating behaviors of these creatures. Before the walk, cozy up under the shelter for an informative presentation. Free, boco.org.

Monday Storytime/Creative Movement with Mimi: 10:15 a.m. Monday, Boulder Public Library, 1001 Arapahoe Ave., Boulder. Join Dandelion Arts Collective to explore the snowy season through movement games, dance and music inspired by “The Snowy Day,” by Ezra Jack Keats. calendar.boulderlibrary.org.

Hawaiian hula class: 6:30 p.m. Monday, The Spark, 4847 Pearl St., B4, Boulder. Learn the basics of Hawaiian hula, some language and some culture, both ancient and modern. This class is perfect for beginners and is open to anyone over the age of 17. Instructor Miriam Paisner has been teaching in Boulder since 1993 and learned in Hawai’i from the masters. $20-$75, 720-771-9772.