THIS WEEK

Palm Frond Ornaments: Learn how to make canoes, birds, fishes, roses and grasshoppers with Norman Ching, 1-4 p.m. July 12, Hawaii Nature Center. Adults only. Cost: $7. Reservations required. Call 955-0100.

Box Car Racing: 9 a.m.-3 p.m. July 12, Tripler's Front Parking Lot, Number E-3. All cars must meet the American Box Car Racing International's car specifications.

"Free the Trees": Help the Hawaii Nature Center free forest trees from the vines that strangle them, 9:30-11:30 a.m. July 12, Hawaii Nature Center. Cost: $7. Reservations required. Call 955-0100.

Upper arboretum hike: Intermediate hike with Ray Baker, 9:30 a.m.-12:30 p.m. July 12, Lyon Arboretum parking lot. Wear normal hiking attire and bring bug repellent, rain gear, water, snack and lunch. Cost: $9. Limited enrollment. Call 988-7378.

Wailupe hike: Advanced hike with Ron Fenstemacher, 9 a.m. July 12. Meet at the end of Hao Street wearing good shoes and long pants. Bring lunch, water, rain and sun gear, bug repellent and a camera or binoculars. Approximately 7 hours. Cost: $9. Limited enrollment. Call 988-7378.

Lei making: Brian Choy teaches the wili method, 9 a.m.-noon July 12, and the haku method, July 19, Lyon Arboretum, downstairs classroom. Cost: $40 for both sessions. Limited enrollment. Call 988-7378.

Aloha State Radio Control Club: Annual Radio Control Open House and Fun Fly, 7 a.m.-8:30 p.m. July 12 and 7 a.m.-4 p.m. July 13, Kawainui Marsh Airfiled, off of Kapaa Quarry Road. Highlights include Nite Flying, Celebrity Challenge, Swap Meet, Limbo and Air Shows. Information: Ed Starling, 543-7036, or Bill DeRego, 261-7794.

Hawaiian Trail and Mountain Club: Six-mile, intermediate hike to Kahana Valley, 8 a.m. July 13. Children under 18 must be accompanied by an adult. Bring lunch and water, and wear good shoes and appropriate clothing. Cost: $2. Call 836-4940.

"Bamboo Jungle Journey": Explore the unknown and make bamboo crafts, 1:30-3:30 p.m., July 13, Hawaii Nature Center. Must be 4-years-old or older. Cost: $7. Reservations required. Call 955-0100.

"Rainbow Aquatics": Two-week 30-minute swim classes, Mondays through Fridays, July 14-25, University of Hawaii-Manoa pool. Cost: $75 per two-week session. Call 395-1857.

Ho'omaluhia Botanical Garden: Explore the garden at night, 6:30-9 p.m. July 18-19. Bring walking shoes, bug repellent, rain gear and a flashlight. Garden gate opens at 5:30 p.m. for those who want to picnic. Free. Reservations: 233-7323.

In-line skate lessons: "The Skill Builder," 5:30-7:30 p.m. July 18, University of Hawaii. Register at 956-6468.

"How Not To Crash Course," 5:30-7:30 p.m. Wednesdays until July 23, University of Hawaii, call 956-6468; and 6-8 p.m. Tuesdays, July 8-29, YWCA, 538-7061.

"Skate Fitness and Workout Program," 5:30-7:30 p.m. July 10, 17 and 24, University of Hawaii. Call 956-6468.

Students must be 16-years-old or older for UH classes and 6-years-old or older for the YWCA class. Skates and protective gear provided. Fee.

Honolulu Zoo by Moonlight: See what the animals do at night, 6:30-8:30 p.m. July 17-18 and 20-21. Cost: $5 children; $7 adults. Tickets available in advance at the zoo's box office. Information, 971-7176.

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CONTINUING

"Learn-to-Live": Adult swimming classes, 5:15 to 6 p.m., Mondays, Wednesday and Thursdays through Aug. 21, Ala Moana Beach Park, Lifeguard Stand 1E. Free.

Tai Chi Chuan: Chinese art reducing anger and stress, and increasing softness and flexibility, 4:30 to 5:30 p.m. Mondays and Thursdays in Kekela Gym, Queen's Medical Center. Cost: $35. Register at 547-4780. For other classes, visit the center's Web site at http://www.queens.org.

Honolulu Marathon Clinic: Weekly jogging program with Dr. Jack Scaff Jr., 7:30 a.m. Sundays, Kapiolani Park Bandstand. James Honke leads a 6:30 a.m. program Sundays, Wahiawa Recreation Center.

Taiko classes: The Taiko Center of the Pacific offers classes through Kapiolani Community College. Call 737-7236.

Hawaii In-Line Skating Association: Workouts 5:30 p.m. weekdays at Kakaako Park. Call 988-5299.

Free hike to Diamond Head: Meet the Clean Air Team at the Honolulu Zoo entrance, 9 a.m. Saturdays. Three miles to the top. Call 948-3299.

Honolulu Community Drum Circle: Drummers, percussionists and dancers gather, 1-5 p.m. Saturdays, Keehi Lagoon Park. Potluck. Call 377-DRUM (377-3786) to confirm location each week.

Hash House Harriers: Social runs with Aloha group 3 p.m. Saturdays; call 948-AHHH (948-2444). Or Honolulu group 5:30 p.m. Tuesdays; call 948-HASH (948-4274).

Honolulu Marathon Clinic: Free training runs with Jack Scaff and staff, 7:30 a.m. Sundays, Kapiolani Park Bandstand. Call Norm at 247-4957. No meetings on three-day weekends.

Sports Acrobatics Hawaii: Hawaii Highflyers Trampoline Club for adults and kids, 4 and 5 p.m. Mondays and Wednesdays, McCully Recreation Center. Call Karl Vorwerk at 949-3747.

Waikiki Acrobatic Troupe meets 4 p.m. Sundays at the beach across Kapiolani Park Bandstand; free workout at UH Studio Four 8 p.m. Wednesdays. Call Don Heafner at 536-7205.

Ikebana classes: Lillian Koide teaches flower arrangement 9 a.m. to noon Wednesdays at the Japanese Cultural Center. Tuition $30 per month plus supplies. Call 537-5765, evenings.

Honolulu Zoo: Zoo opens at 8 a.m. on the first and third Wednesdays of the month. General admission $6; $2 with Yum Yum Tree senior card. First Wednesdays feature a botanical tour at 8:45 a.m. for $2 more. Third Wednesdays, tai chi practice begins 8 a.m. Call 971-7174.

Nature Conservancy hikes: Two guided hikes a month to Honouliuli Preserve, home to more than 45 rare native plants and animals. Donation. Call 537-4508.