× Expand Photo: Courtesy of Aloha Council Boy Scouts of America. Ellison-Onizuka-Day-Of-Exploration The largest STEM event in Hawai'i happens Saturday, April 28.

Ellison Onizuka Day of Exploration 2018

Hawai‘i’s largest STEM event, hosted by the Aloha Council Boy Scouts of America, will have over a hundred booths where kids can build electric motor cars, manipulate robots, look through microscopes, make 3-D glasses, build a rocket, balloon hovercraft, catapult and car and more. In addition, kids can climb a wall, try safe archery and run through an indoor obstacle course. Make sure to get there early so you can try things out before the appearance of Nainoa Thompson of the Polynesian Voyaging Society. Read our Inside Look at the event for seven tips to help you get into workshops and skip some long lines.

All ages. Recommended for keiki 5 to 14 years old.

Free

Saturday, April 28. 9 a.m. to 3 p.m. Blaisdell Exhibition Hall, 777 Ward Ave.

scoutinghawaii.org/onizuka-day-exploration

25th Anniversary Celebration and Spring Fest

Free activities and live entertainment will be part of this festival at the shopping center. Kids can play carnival games to win prizes, jump in bouncers, enter prize drawings and listen to live performances. Moana-inspired Polynesian Princess and Warrior will appear for photos and you can capture a family picture in the photo booth. Keiki ID will also be available.

All ages

Free admission

Saturday, April 28. 11 a.m. to 2 p.m.

Kapolei Shopping Center, 590 Farrington Highway, Kapolei.

kapoleishoppingcenter.com

16th Annual Waikīkī SPAM Jam

Hawai‘i’s favorite musubi topper takes center stage at this annual street festival, featuring SPAM-inspired recipes, art and merchandise, live tunes and family-friendly activities. Look for SPAM Monkey Bread by BASALT Restaurant, SPAM nuggets and SPAM chocolate cheesecake by Eggs ‘n’ Things, plus other creative dishes by local chefs. This year’s event is eco-friendly, so you might want to bring your own plastic-free beverage bottles and encourage your keiki to throw their trash in recycling bins along Kalākaua Avenue.

All ages

Free admission

Saturday, April 28. 4 to 10 p.m.

Kalākaua Avenue, between Seaside and Uluniu avenues.

spamjamhawaii.com

“I Love Kailua” Town Party

You don't have to be from the Windward side to join the 26th annual “I Love Kailua” Town Party. If you're still mourning the closing of Agnes Portuguese Bake Shop, the favorite Kailua malassada spot will have a booth along with Grylt, Nico's Kailua, Waimānalo Country Farm and 13 other food vendors. Shop for locally made arts and crafts, receive a free health screening from Castle Medical Center and visit the new "Environmental Garden" area with tips on building a home-hydroponics system and plant care advice for home gardens. For kids: A keiki fun zone and plenty of room to roam. Funds raised at the town party will be used to beautify Kailua and other Windward neighborhoods.

All ages

Free

Sunday, April 29. 11 a.m. to 4 p.m. Kailua Road, between Kuʻulei Road and Hahani Street.

LKOC.org

Big Blooms Workshop at Art Explorium

Are your children budding artists? Sign them up for this May Day-inspired workshop where they'll design flowers from recycled materials. Instructor Mia Adams (who also is an actress and singer) will teach keiki creative techniques to cut, shape and color their homemade blooms. Pre-registration is required.

5 years and older

$15 per child

Saturday, April 28. 2:30 a.m. to 4 p.m. Art Explorium, 1132-D Koko Head Ave.

artexplorium.org

Find more fun for adults on honolulumagazine.com.