“Nobuntu” — “Nobuntu”— an expression meaning feminine familial love, humility and kindness — is a female a cappella quintet from Zimbabwe that has drawn international acclaim; 7:30 p.m. Wednesday, Oct. 30, Macky Auditorium, 1595 Pleasant St., Boulder; $20-$66; 303-492-8008.
Mad Scientist Day: Halloween Candy Experiments — Have what it takes to be a mad scientist? Come ready to learn, play and explore. Ages 3 and up; 4 p.m. Wednesday, Oct. 30, George Reynolds Branch, 3595 Table Mesa Drive, Boulder.
Musical Storytime — All ages are welcome to join us for a storytime full of songs, musical stories, dancing and more; 10:15 a.m. Wednesday, Oct. 30, Boulder Public Library, 1001 Arapahoe Ave., Boulder.
Sofie Engstrom von Alten: “Dino Does Yoga” — Sofie Engstrom von Alten will speak about and sign her new book, “Dino Does Yoga”; 5:30 p.m. Wednesday, Oct. 30, Boulder Book Store, 1107 Pearl St., Boulder; free; 303-447-2074.
Mornings at the Museum — Mornings at the Museum provides a hands-on introduction to the wonderful worlds of science, literacy and nature. Have fun learning together while examining museum specimens, making crafts, hearing a story and even making new friends. The program is free and will feature a different theme each week; 9:30 a.m. Thursday, Oct. 31, Museum of Natural History, Henderson, Boulder.
Craft Storytime — A combination of storytime readings and craft activities with hands-on fun; 10:15 a.m. Thursday, Oct. 31, Meadows Branch Library, 4800 Baseline Road, Boulder.
All Hallow’s Read — If you love to read, visit us on Halloween to get a free book! Participate in an All Hallow’s Read book swap game and leave with something new to read. Costumes welcome, spooky snacks provided. For grades 6-12; 4 p.m. Thursday, Oct. 31, George Reynolds Branch, 3595 Table Mesa Drive, Boulder.
Trick or Treats at Locust— Swing by our taproom on Halloween for special treats and a $1 off all pints for anyone in costume; 4 p.m. Thursday, Oct. 31, Locust Cider, 5446 Conestoga Court, Boulder; free; 303-356-8151.
Brews & Boos — Join us this Halloween at the Rayback’s first-ever Brews & Boos costume party; 6:30 p.m. Thursday, Oct. 31, Rayback Collective, 2775 Valmont Road, Boulder.
Laser Metal Hallowscream — Skull-banging and bone-rattling jams to help celebrate the dark side of Halloween. Our cutting edge projection system from Laser Fantasy mesmerizes with vibrant colors cutting their way through the fog to our 360-degree wrap around screen-all while our laser engineers fly through the universe in beat to favorite jams; 10 p.m. Thursday, Oct. 31, Fiske Planetarium, 2414 Regent Drive, Boulder.