Connecticut state police say Edwine Louissaint of Dedham and David Augustin of Milton face charges including risk of injury to a child and second-degree reckless endangerment.
Court officials say Augustin was ordered held on $40,000 bond Friday, while Louissaint was released after being held on $25,000 bond after she promised to reappear in court.
Neither defendant entered a plea.
Police responded to a casino garage Thursday after reports the children were there.
Connecticut state police Lt. J. Paul Vance said video surveillance and gambling records showed Augustin and Louissaint were in the resort for well over an hour.
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