Manakoa Gymnastics is an open-air gymnastics gym in the Halawa/Aiea industrial area near Aloha Stadium, serving toddlers through teens (and adults) with recreational and competitive USAG-curriculum classes. Its Keiki Learning Center approach weaves age-appropriate academic concepts into gymnastics, and daytime options make it popular with homeschool families. Registration is monthly and drop-in-friendly, with trial classes available.