Dumped cars, a playground and a public toilet were all the scenes of deliberately lit fires in the past week.

Police said a silver Toyota Landcruiser was destroyed in a fire at the corner of Copelands Rd and Lillico Rd in Warragul on Sunday at 5am.
The car, with registration plates "1KD 9TR", had been reported stolen from Edithvale Railway Station on Thursday, November 28.
It had also been linked to the ramming of a police vehicle in the Latrobe region.
An explosion alerted residents to a vehicle fire in a paddock near Mills Rd, Warragul on Wednesday at 5.19am.
Police said a Holden Commodore VF, valued at $120,000, and a trailer were engulfed in flame. Both had been reported stolen.
They believe the hire trailer was stolen from the Shell Roadhouse in Alfred St, Warragul earlier that night.
The car, with Queensland registration plates, had been reported stolen from Healesville three days earlier.
Police believe an accelerant was used to start the fire which was extinguished by the CFA.
An abandoned car was found on fire in the middle of a Longwarry intersection last Tuesday just before 1am.
Police believe the car wasn't stolen and the fire was the result of a mechanical fault.
However, several skid marks at the Old Drouin Rd and Edgar Rd intersection, led them to believe the vehicle was doing burn outs at the time. Nobody was found at the scene.
A 16-year-old girl was cautioned and will be referred to the CFA's fire lighting consequences course after being arrested in Drouin.
Police believe the girl was amongst a group of six to eight youths alleged to have started a fire in the McNeilly Park Playground in Jackson Drv on Saturday at 5.15pm.
The fire, which caused $3000 damage, was lit beneath timber climbing equipment.
Youths are also believed to be responsible for a fire in the public toilets in Palmerston St, Warragul on Wednesday at 5pm.
After smelling smoke, police officers on patrol located the fire in the family change facility bathroom.
It is believed a toilet paper roll in a metal holder had been set on fire. The fire was put out by the police officers and caused no structural damage.
Anyone with information which may assist investigations is urged to contact Warragul Police Station on 5622 7111.