Nature Storytime: 10:15 a.m. Thursday, Meadows Branch Library, 4800 Baseline Road, Boulder. The library will share books, sing songs and play while fostering early literacy skills in this nature focused story time. calendar.boulderlibrary.org.

Crazy 8’s Math Club: 3:30 p.m. Thursday, George Reynolds Branch, 3595 Table Mesa Drive, Boulder. Practice math skills and gain confidence with fun hands-on games that get kids fired up about math. Crazy 8’s is a recreational after-school math club. Participants work together to make glow-in-the dark geometry, search for pirate treasure and many other fun math-y activities. For children in grades 3-5. calendar.boulderlibrary.org.

Richman Acoustic at BOCO Cider: 6 p.m. Thursday, BOCO Cider, 1501 Lee Hill Drive, Unit 14, Boulder. Rich is a solo acoustic guitar act using both 6 and 12 string guitars with solid chops and strong vocals. Chill out as he plays a variety of well-loved blues and classic rock songs from the ’60s through the ’90s. Free, 720-938-7285, bococider.com.

Fundraiser for Boulder’s Cuban Sister City: 6:30 p.m. Thursday, Full Cycle Café & Bar, 2355 30th St., Boulder. Anyone who is interested in traveling and exploring in Cuba, would like to help bring much needed supplies or just want to listen and dance to great live Cuban music are welcome at this event. Full Cycle will be fundraising for the municipality of Yateras, Guantánamo, Cuba. Live music will be provided by Los Bohemios Trio. $10, fullcyclebikes.eventcalendarapp.com.

Needle Felted Animals: 10 a.m. Friday, NoBo Corner Library, 4600 Broadway, Boulder. Learn to sculpt a critter with wool in this fun and easy workshop style class. Participants will learn needle felting, a technique that transforms fluffy wool roving into dense sculpture. Materials provided. calendar.boulderlibrary.org.

Laurie D concert at Kin Studio & Gallery: 5 p.m. Friday, Kin Studio & Gallery, 4725 16th St., #104, Boulder. Laurie D will be sharing light jazz and Bossa Nova during NOBO’s First Fridays Artwalk. Stop by to see beautiful art, enjoy the music and have light snacks. Free, facebook.com.

Big Swing Trio at Full Cycle Café: 6:30 p.m. Friday, Full Cycle Café & Bar, 2355 30th St., Boulder. The Big Swing Trio includes Mark Diamond, Paul Romaine and Andy Weyl. They consistently inspire audiences of all kinds with their spirited arrangements of swing, Latin, hard-bop, blues and standard repertoire. The Big Swing Trio knows how to please a crowd. Their high level of talent, professionalism and enthusiasm combine to make them one of the most sought after trios in the Rocky Mountain region. $20-$25, thetuneupevents.eventcalendarapp.com.

Bobby Jo Valentine performance: 7 p.m. Friday, Mountain View United Methodist Church, 355 Ponca Place, Boulder. Boulder’s Mountain View UMC will host guitarist, songwriter and poet Bobby Jo Valentine in a special concert of heart-warming folk and pop music. Valentine is an award-winning singer-songwriter that connect deeply with people from all walks of life. $10, 303-494-5025, mtview.org.