TODAY

BLOOD DRIVES, 8:30-12:30 p.m., Waikele Center, next to Leonard's Malasadas; 7-11 a.m., Kahala Mall, near Macy's men's department; 8 a.m.-4 p.m. Tuesday, University of Hawai'i-Manoa, Campus Center CC301; 8 a.m.-2 p.m. Wednesday, Honolulu Community College; 9 a.m.-3 p.m. Thursday, Chaminade University, Ching Conference Center, Eiben Hall; 7 a.m.-2 p.m. Saturday, Windward Mall near Macy's; 7 a.m.-2 p.m. March 25, Foodland, Ewa Town Center; must be 18 or older, in good health, weigh 110 pounds or more and present photo ID. 845-9966.

TAI CHI SEMINAR, noon-1:30 p.m., Kaimuki-Waialae YMCA, 4835 Kilauea Ave.; learn basic tai chi elements and how tai chi is related to health; free; sponsored by East West Qigong International. 941-9707.

TOMORROW

FRIENDS OF THE LIBRARY OF HAWAII VHS SALE, 10 a.m.-2 p.m. through March 30, Friends Bookstore (Bill's Bookmobile), 690 Pohukaina St., Kaka'ako; all videos $1; proceeds support public libraries.

FRIENDS OF KALIHI-PALAMA LIBRARY AUDIO-VISUAL SALE, 1-6 p.m. in library auditorium, 1325 Kalihi St.; continues through Thursday.

S.A.T. PREP CLASSES by College Connections Hawai'i at McKinley, Pearl City, Waipahu and Radford high schools; free. Information/sign up: www.collegeconnections.org, 737-8955.

NEIGHBORHOOD BOARD MEETING, Wahiawa, 7 p.m., Wahiawa Recreation Center, Halekoa Building.

NEIGHBORHOOD BOARD MEETING, 'Aiea, 7:30 p.m., 'Aiea Library.

TUESDAY

FRIENDS OF KALIHI-PALAMA LIBRARY AUDIO-VISUAL SALE, 9 a.m.-3 p.m.; in the library auditorium.