THIEVES targeted several cars in Bridle Place, Pakenham, last week.
Police said the thefts occurred between 6pm on 30 June and 12pm on 1 July.
Number plates were stolen from one car, a GPS, charger, cigarettes and coins, worth a total of $60, were stolen from another car, and a purse was taken from an unlocked third car.
Police are reminding residents to lock their doors and not leave valuables in their vehicles.
Anyone with information can call Crime Stoppers on 1800 333 000 or Pakenham police on 5945 2500.