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.

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.

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 run time 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.

From Self-Doubt to Self-Leadership participatory workshop: 5 p.m. Tuesday, Boulder Public Library, 1001 Arapahoe Ave., Boulder. In this workshop, participants will learn how to understand the personal and systemic origins of ones critical internal voice, receive its positive intent while saying no to its negative impact and offer themselves a new, more loving inner voice. Participants will leave with new perspectives and practices for relating to the critic and additional steps to take to move forward in leadership. Free, eventbrite.com.

“Mr. Yanagi’s Aliens” film screening: 5:30 p.m. Tuesday, Dairy Arts Center, 2590 Walnut St., Boulder. Join for the premiere of “Mr. Yanagi’s Aliens” — the year’s stupidest sci-fi-ish buddy comedy. A low-budget love letter to schlocky genre-bending B-movies, the movie was independently produced by two Colorado filmmakers with scenes shot around Boulder, Longmont, Minnesota and Japan. $18, thedairy.org.

“The Three Lives of Cate Kay” book signing: 6:30 p.m. Tuesday, Boulder Book Store, 1107 Pearl St., Boulder. Kate Fagan will speak about and sign her new book “The Three Lives of Cate Kay. She will be in conversation with Kara Goucher for this special event. $5, boulderbookstore.net.