Casey Crime Investigation Unit are investigating a fire which occurred at Casey Central Park on 10 February.
Police allege that at approximately 5:45am two young boys started a fire near the play equipment at the corner of Narre Warren-Cranbourne Road and Glasscocks Road, Narre Warren South.
A second fire was then started nearby.
The two boys, who are are believed to be between 11 and 14 years old, Caucasian in appearance and have a skinny build, then ran down Amhurst Drive.
Police are appealing for anyone who has any information or witnesses anything to please contact Crime Stoppers on 1800 333 000 or http://www.crimestoppersvic.com.au and quote incident number 190052629.