Summer ZooCamp — Through Aug. 7. The Los Angeles Zoo, 5333 Zoo Drive, Los Angeles, 90027, offers ZooCamp for youngsters. Each camp is led by specially trained staff and given age-appropriate themes. To learn more go online to http://www.lazoo.org/education/zoocamp.
American Heart Assn. CPR & First Aid — Aug. 12 and 19. 6 p.m. Class sizes are limited and both certifications are for two years. The Heartsaver/AED (CPR) course, taught on Aug. 12, covers adult, child and infant CPR. The class lasts approximately three hours. The two-hour first aid course, taught Aug. 19, covers medical, injury and environmental emergencies. Crescenta-Cañada YMCA, 1930 Foothill Blvd., La Cañada. Call (818) 790-0123 for more information.
Zumba fitness classes — Tuesdays, 5:15 p.m. and Thursdays, 5:30 p.m. At Vonder Haar Performing Center, 457 Foothill Blvd. (formerly Ballet Petit) La Cañada. For information call (818) 395-7760.
Ballroom dance classes — Friday nights, 7 p.m. to 8 p.m. Take a partner or attend on your own and make new friends. Teacher is Celia Weis. Crescenta-Cañada YMCA, 1930 Foothill Blvd., La Cañada. Call Ana-Marie Schaefer at (818) 790-0123, ext. 231, for information and fees.
Blood Drive — July 20, 9 a.m. to 3:30 p.m. Sponsored by the Crescenta Valley Sheriff's station in support of Huntington Hospital, the blood drive will be held at 4554 N. Briggs Ave., La Crescenta. Walk-ins are welcome but reservations are suggested. Call (818) 236-4021. All donors will receive a coupon for a pint of ice cream from Baskin-Robbins.