NEWARK, N.J. (CBSNewYork) – It has been more than four months since 5-year-old Dulce Maria Alavez disappeared from a park in Bridgeton, N.J., as followed by reporting on CBSPhilly.com.

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For National Missing Persons Day, the FBI is asking the public for help finding the little girl, and others like her.

(Credit: CBS2)

Dulce’s mother Noema Perez says she took her children to get ice cream and then they went to the park. Perez said she remained in the car with a relative while Dulce and her brother ran to the playground and disappeared.

Anyone with information is asked to contact the New Jersey State Police Missing Persons Unit at 609-882-2000 ext. 2857, Bridgeton Police Department at 856-451-0033, or call 911 immediately.

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If you have a tip for the FBI about Dulce’s – or any other missing person’s – location, click here