July 16

Kaimuki Public Library, 2 p.m., free. Crystal Watanabe, author of “Yum-Yum Bento All Year Round” and “Yum-Yum Bento Box: Fresh Recipes for Adorable Lunches,” demonstrates how to create a cute character bento for adults and teens. (librarieshawaii.org/event/bento-demo-with-crystal-watanabe/)

Living Art Marine Center, 9:30 a.m., $10-$7.50 plus $5/lab fee. Learn more about dissection’s role in the scientific process by dissecting a squid. Plus, touch tidepool animals. Pre-registration required. (livingartmarinecenter.com/family.htm)

Foodland at Ewa Town Center, 7-11 a.m., free. Donate blood and save lives. Pre-registration recommended. (848-4770, bbh.org)

Kahala Mall, 7-11 a.m., free. Donate blood and save lives. Pre-registration recommended. (848-4770, bbh.org)

Kailua Town Center, 7 a.m.-noon, free. Donate blood and save lives. Pre-registration recommended. (848-4770, bbh.org)

Pearlridge Center, Downtown Center Court, 1-4 p.m., free. A regular social event of local artists who create collaborative cartoons, illustrations and sketches while talking story. (pearlridgeonline.com)

Blaisdell Exhibition Hall, 10:30 a.m.-5:30 p.m., $5. The 27th annual show features more than 170 booths with vintage and antique Hawaiiana, furniture, autographs and much more. (ukulele.com/collect)

Wet’n’Wild, 11 a.m.-5 p.m., $29.99. A special celebration of LGBTQ pride with music, drinks and fun. (wetnwildhawaii.com/?promoCode=Pride2017)

Aloha Stadium parking lot, 9 a.m., $55-$35. Try four timed laps at the Sports Car Club of America solo/autocross course in competition with other cars and trucks. (sccahawaii.org)

Kahala Mall, noon-1 p.m. and 2-3 p.m., free. John Kukui performs for the first hour, followed by Shawn Garnett. (kahalamallcenter.com)

Kapiolani Park, 10:30 a.m.-5 p.m., free. The largest ukulele festival in the islands celebrates legend Eddie Kamae with performers including Ohta-San, Willie K, Herb Ohta Jr. and more, plus Roy Sakuma’s Ukulele Festival Band. (ukulelefestivalhawaii.org)