The Waikiki Aquarium is hosting a temporary “virtual theme park” called Lea Lea Little Planet. Keiki and parents can experiment with a digital aquarium, an augmented-reality sand castle, digital graffiti and more. Admission to the exhibit is $15 per child and $8 per adult through Sept. 30. For more information, visit http://litpla.com or www.waikikiaquarium.org.