Firefighters raced to the scene of a blaze at a housing estate play park in Grangemouth.
The alarm was raised shortly after 6pm on Thursday April 8 after smoke and flames were seen coming from the area.
Officers are also appealing for information after two trees were damaged at the same park on Wednesday.
No-one was injured in the fire.
A Police Scotland spokesperson said: “Enquiries are ongoing following reports of damage caused at the play park at Inchyra Place, Grangemouth.
"Between 6pm and 9pm on Wednesday, 7 April, two trees were destroyed. Between 4pm and 6.30pm on Thursday, 8 April, a fire was started causing damage to a wooden support stand.
"If anyone saw anything suspicious or has any information please call 101, quoting incident 0850 of Thursday, 8 April."
