Police are appealing for information after a number of vehicles and a caravan were damaged on the Abbey Estate in Thetford last week.
It happened overnight between 10.30pm on Tuesday and 1.30am on Wednesday (April 5/6).
Vehicles were damaged in the Guildford Way, Durham Way and Edinburgh Way areas after being pushed over.
The cars included a Peugeot 307 and a Renault Clio.
Officers are keen to hear from anyone who may have witnessed the incidents or noticed anything suspicious in the area.
Contact Pc Steve Limbert or Pc Andy Menarry on 101 or Crimestoppers, anonymously, on 0800 555111 or via the online form at www.crimestoppers-uk.org