October 30

Hawaii Red Cross, 4155 Diamond Head Road, 9 a.m.-10:40 p.m., $113. Get trained to recognize and care for victims of illness and sudden injuries and life-threatening respiratory or cardiac emergencies in adults, children, and infants and learn how to use an AED. Pre-registration required. (1-800-733-2767, redcross.org/take-a-class)

Mid Pacific, Wilcox Dining Hall, 4:30-5:15 p.m., $65. Explore this fun, excitement-filled style of dance. Learn the basic steps with upbeat music and lots of laughter. Pre-registration required. (midpac.edu/extendedlearning, 441-3941)

Mid Pacific, Wilcox Dining Hall, Mondays through November 20 at 4:30-5:15 p.m., $65. Explore this fun, excitement-filled style of dance. Learn the basic steps with upbeat music and lots of laughter. Pre-registration required. (midpac.edu/extendedlearning, 441-3941)

Windward Community College, Hale Kuhina 115, 45-720 Keaahala Road, 8:30 a.m.-2:30 p.m. Oct. 30-Dec. 14, $3,000. The CNA Apprenticeship program is designed to train students who qualify for higher wage jobs in the healthcare industry. but need help with tuition, training and/or connecting with employers. (235-7433, windwardcce.org)

Makakilo Community Park, Mondays through Nov. 20 7-8:45 p.m., call for cost. Hawaii Ballroom Dance Association hosts beginner dance classes. (781-2076)

Waikiki Beach Walk, 5-6 p.m., call for cost. Registration recommended. (349-5936)

Kaiser Permanente Waipio, medical office, 9-10 a.m., free. Learn the causes of osteoporosis, how to prevent and treat it, and the importance of nutrition and physical activity for better balance and bone health. (432-2260)

Kamehameha Schools, Keelikolani Performing Arts, Choral Room, 7:15 a.m.-3:15 p.m., free. Donate blood and save lives. Pre-registration recommended. (848-4770, bbh.org)

Leeward Community College, Education Building, Bloodmobile, 8:30 a.m.-2 p.m., free. Donate blood and save lives. Pre-registration recommended. (848-4770, bbh.org)

Locations LLC, training room, 9:30 a.m.-1:30 p.m., free. Donate blood and save lives. Pre-registration recommended. (848-4770, bbh.org)

Pearl City Public Library, 3 p.m., free. Teens will have 30 minutes to solve the puzzles and decipher clues to unlock a weapon to defeat the vampire before he claims his next victims. Pre-registration required. (librarieshawaii.org)

Ala Moana Centerstage, 3 p.m., free. (alamoanacenter.com)

Kamiloiki Elementary School, 7788 Hawaii Kai Drive, 1:30-6 p.m., free. Come for game booths, rides, food, orchids and a silent auction. (397-5800)

The Laylow, Autograph Collection, 7-10 p.m., free. (laylowwaikiki.com/event-directory)

Mililani Public Library, 4:30 p.m., free. See the 2016 fantasy film “Fantastic Beasts and Where to Find Them.” (librarieshawaii.org)