August 25

The Salvation Army Croc Center Hawaii, 9-11 a.m., free. Come out to a hands-on, on-bike workshop that will have participants feeling comfortable and confident on the streets of Oahu. Space is limited. Pre-registration required. (hbl.org/workshops, 735-5756)

Contact for location, time and cost. Interested students ages 3-103 are invited to enroll. Those who mention “MidWeek” will have their registration fees waived. Friends-and-family rates are available. (487-3451)

Waianae Public Library, 85-625 Farrington Hwy., 2 p.m., free. Learn practical changes you can make to live a life full of vitality, passion and purpose. Wear socks, comfortable pants and a T-shirt for interactive, gentle exercises that are wheelchair, walker and cane friendly. (697-7868)

Windward Community College, Hale Kuhina 115, 6-8 p.m. Tuesdays through Sept. 4, 9:30-11:30 a.m. Saturdays through Sept. 15, $77. Learn the art of Japanese flower arranging. Students are required to provide their own supplies. (windwardcce.org/art.htm)

Adventist Health Castle, 739 Leihano St., noon, free. (272-3900)

Camp Palehua, Pavilion, 9 a.m.-noon, $20-$50. Learn to make mock orange lei poo and lei ai. Pre-registration required. (malamalearningcenter.org)

Aikahi Park Shopping Center, Bloodmobile, 7-11 a.m., free. Donate blood and save lives. Pre-registration recommended. (848-4770, bbh.org)

Kapolei Shopping Center, Bloodmobile, 7-11 a.m., free. Donate blood and save lives. Pre-registration recommended. (848-4770, bbh.org)

Mililani Market Place, Bloodmobile, 7-11 a.m., free. Donate blood and save lives. Pre-registration recommended. (848-4770, bbh.org)

Aikahi Park Shopping Center, 25 Kaneohe Bay Drive, 9-11 a.m., contact for cost. Take a look at an interesting collection of old, new and exotic vehicles. (carsandcoffeehawaii.org)

Ala Moana Park, McCoy Pavilion, noon-9 p.m., $3. Enjoy Greek cuisine, imported Greek beer and live entertainment. (greekfestivalhawaii.com)

University of Hawaii at Manoa, Music Department, 2411 Dole St., contact for times and costs. Hawaii Youth Opera Chorus holds open enrollment for boys and girls grades K-12 who are interested in a community choral and music education program. No audition or previous experience are necessary. Pre-registration required. (hyoc.org)

Atherton Performing Arts Studio, 738 Kaheka St., 7:30 p.m., $15-$25. Enjoy traditional and contemporary Hawaiian, folk and pop music by musical duo Kailua Moon. (955-8821, hprtickets.org)

Kalama Beach Park, contact for time, free. Join a free, amateur surf competition for keiki ages 2-16. (kailuashorebreakclassic.com)

Nichiren Mission of Hawaii, 33 Pulelehua Way, 5-9 p.m., free. (595-3517, nichiren@hawaiiantel.net)

Coral Creek Golf Course, Pueo s Restaurant, 91-1111 Geiger Road, 5:30-10 p.m., $75. There will be food, no host bar, entertainment and an opportunity to play casino-type games for fun and prizes. Proceeds will go toward helping elementary school students in the Ewa Beach area pay for after-school care. (780-4985, 724-6796)

Harbor Restaurant at Pier 38, 5-8 p.m., $75. Enjoy flavors from over ten food stations and some of the finest wines from Harbor and Johnson Brothers. (hnltix.com)

Bento Homes, 441 Cooke St., 10 a.m.-2 p.m., free. Connect with local farmers and agricultural businesses while learning about the services that they provide. (smartfarming.eventbrite.com)

Waikiki Shell, 6:30 p.m., $29-$150. Enjoy a star-studded lineup of Hawaii s most popular entertainers at an evening of music, laughter and stories. (ticketmaster.com)

Hawaii Kai Towne Center, 3 p.m., free. Enjoy an afternoon of entertainment, with Halau Na Maka O Ka Lauae kicking off the event, followed by Mike Tulba and Makaha Sons. (hawaiikaitowne.wpengine.com/events)

Hawaiian Brian’s, 9 p.m.-2 a.m., $10-$300. Enjoy a live performance by sensational rap duo The Grouch & Eligh. (eventbrite.com/e/the-grouch-eligh-at-hawaiian-brians-tickets-48390197383)

SALT at Our Kakaako, 1-9 p.m., $3. View a group exhibition of artwork meant to empower victims of domestic and sexual abuse. There will also be slam poetry and various performing artists. Sale proceeds will be donated to University of Hawaii – West Oahu Compliance Hui. (859-3859, lk@leniknight.com)

Kuliouou Beach Park, 100 Bay St., 9 a.m.-noon, free. Restore the marine environment by removing invasive limu from the nearshore waters and donate it to local, organic farms. Bring a signed volunteer agreement form, water tabi (if available), clothes that can get wet, sunscreen, water, sunglasses and a backpack. (hawaii.bluezonesproject.com)