April 19

Honolulu Country Club, 9-11 a.m., free. As more people in Hawaii turn to large additions or plant to demolish and build new instead of purchasing a new home, learn about the complex process and what to watch out for. Space is limited and reservations are required. (593-2808, grahambuilders.com)

Simply Organized, Kahala Mall, 1-2 p.m., free. Learn to create the space of your dreams. (739-7007)

Honolulu Country Club, 9-11 a.m., free, RSVP. Learn about the complex process of home building from Graham Builders. (593-2808)

Neal Blaisdell Concert Hall, 7 and 9:30 p.m., $37.50. (livenation.com, ticketmaster.com)

Kalaeloa Raceway Park, contact for more information. Drivers compete against each other in a course laid out on the dirt track. (www.sccahawaii.org)

Town Center of Mililani, Ruby Tuesday parking lot, 5 a.m.-5 p.m., free. (625-0108, towncenterofmililani.com)

Queen Kapiolani Hotel, Queen’s Room, 9 a.m.-4 p.m., free. Hawaii Stamp and Coin Dealers Association holds a coin show with local dealers available to buy, sell or trade. A limited supply of numismatic newspapers and magazines available, and door prizes awarded throughout the day. (531-6252)

Honolulu Central Seventh-Day Adventist Church, 12:45-1:45 p.m., free. Bring any food dish. (469-7193)

Kahala Mall, DOE – Auxiliary Service Branch or Kapolei Shopping Center, 8 a.m.-3 p.m., free. Materials accepted include computers, monitors, laptops and more. Unacceptable items include: TVs, alkaline batteries, microwaves and home appliances. (ewastehawaii.com, 488-8870)

Mililani Ki-Aikido Club (95-257 Kaloapau St.), 9 a.m.-1 p.m., free. Acceptable items include scrap metals, bicycles, appliances, computers, printers and more. Unacceptable items include: tires, paint, microwave ovens, motor oil hazardous fluids, cardboard, paper, plastics, wood and bulky items. Canned goods to support Hawaii Food Bank also accepted. (291-6151)

Waikiki Aquarium, 9 a.m.-2 p.m., free. In celebration of Earth Month, the City and County of Honolulu’s Department of Environmental Services and the Hawaii State Department of health present the seventh annual Mauka to Makai Environmental Expo featuring interactive booths, activities and more. (waquarium.org)

Kaneohe Higashi Hongwanji, 9 a.m.-1 p.m. Featuring an assortment of anthurium, vegetable starters, houseplants and landscape plants. Proceeds support capital improvement projects. (247-2661)

Kalaeloa Raceway Park, contact for time and cost. Drivers compete against each other in a course laid out on the dirt track with lap times compared to determine the winners in the class. (sccahawaii.org)

Assemble at Bellows Beach Park at 8:15 a.m., driver’s meeting at 8:45 a.m., cruise starts at 9 a.m. to Koko Marina Shopping Center for the food drop off. Bring a food item for the annual Foodbank Cruise. (225-2965)

Castle High School, 11 a.m.-4 p.m. various costs. Sponsored by Families and Friends of Castle, the community fair includes a Kendama contest, food, entertainment and more. (castlehs.k12.hi.us)

Pearlridge Center, Downtown Center Court, through April 19, 10 a.m.-8 p.m. Mon.-Sat., 10 a.m.-5 p.m. Sun., $3. The Butterfly Conservatory features hundreds of living butterflies. Keiki under age 8 are free with a paying adult. (pearlridgeonline.com)

Windward Mall, through April 19, 10 a.m.-8 p.m. Saturdays, 10 a.m.-5 p.m. Sundays, packages start at $20. Those who take a photo with the Easter Bunny also receive a free coloring book and a pair of bunny ears. (windwardmall.com, 235-1143)

Windward Mall, through April 19, mall hours, call for cost. Take photos with the bunny and enjoy other Easter festivities. (235-1143)

Town Center of Mililani, 10 a.m.-1 p.m., free. Enjoy egg hunting, mini games to support the Asian Lion Dance Team and take pictures with the Easter bunny. (625-0108, towncenterofmililani.com)

Town Center of Mililani, 10 a.m.-1 p.m., free. Town Center of Mililani celebrates Easter with Asian Lion Dance Team, mini games, and more. (625-0108)

Watanabe Floral, 1 p.m. registration, hunt begins at 2 p.m., free. Watanabe Floral hosts its eighth annual community Easter egg hunt with over 1000 eggs and more. (watanabefloral.com, 832-9360)

West Oahu Community Church, 2 p.m., free. Open to children ages preschool through fifth grade. Activities include the egg hunt, egg coloring and cookie decorating. (457-9311)

Kapolei Shopping Center, noon-2 p.m., free. This outdoor even features outdoor fun with giant bubbles as well as a Butterfly House and more. (inkapolei.com)

Bay View Golf Course, 10 a.m.-1 p.m., free. Windward Nazarene holds its annual Spring Fest featuring food, live entertainment, games and activities, and an Easter egg hunt. (jgrubert@windwardnazarene.com, 235-8787 ext. 309)

Salt Lake Shopping Center, 10 a.m.-1 p.m., free. Visit with the Easter Bunny and receive a treat, and participate in a variety of activities including pony rides, a petting zoo and more. (saltlakeshoppingcenter.com)

Foster Botanical Garden, April 19, May 17 and June 21, 1 p.m., garden admission (contact for cost). Learn about plants and trees that were utilized as natural remedies before modern medicine. Reservations are required. (522-7066)

Koko Head District Park, April 19 and May 17, 9:30-11 a.m. Malama Maunalua offers tours of area rain gardens. Maintenance help also is welcome. (395-5050)

The Pub, 1718 Wilikina Dr., 9 p.m.-1 a.m., $5, ages 21 and older. 11th Hour performs alternative music. (621-1835)

The Republik, 8 p.m. show starts, $25/in advance, plus applicable fees, increase day of show, all ages accompanied by an adult. Childish Gambino emerged as one of the most exciting young talents in music. (jointherepublik.com)

Kahala Mall, 2 p.m., free. Honolulu Wind Ensemble holds a preview concert leading up to its April 27 Spring Concert being held at Kaimuki High Auditorium. (honoluluwindensemble.org)

Town Center of Mililani, 7-8 p.m., free. Town Center of Mililani features Saturday Night Music with Michael Cheape. (625-0108, towncenterofmililani.com)

The Hideaway Club, 9 p.m., contact for cost. (ronartisfamilyband.com, 371-3895)

Tommy Bahama, Ala Moana Center, 10 a.m.-1 p.m. and 2-5 p.m., free. Tommy Bahama hosts Sip and Swim, an event that mixes fit tips with cocktails and savory appetizers. Appointments are highly recommended. (955-8869)

41-829 Kakaina St., A-4, Waimanalo, through May 21, Monday-Saturday, 10 a.m.-5 p.m., free. View portraits of locals captured at farmers’ markets and bus stops along with drawings, paintings and sculptures. (389-0579, info@blueskyhealingarts.com)

Kualoa Ranch, 9 a.m.-2 p.m., free. Sustainable Coastlines Hawaii calls for volunteers of all ages to help with its Mauka to Makai cleanup in celebration of Earth Day in a variety of projects ranging from invasive species removal, fishpond restoration and more. After, enjoy an afternoon of education and entertainment with food vendors, activities and more. (221-7678, schawaii.org)

Na Pohaku o Hauwahine, 8:30 a.m.-noon. Restoration efforts at this site include removal of alien plants and replanting with endemic natives. The day will primarily focus on weeding and cleaning up areas. Wear work clothes, shoes, bring gloves and a weeding or cutting tool, water and a snack. Advanced registration is required. (263-8008, ahahui.net)