The incidents in and around Hudson Close, in Heath Hayes, which have taken place over a 10-day period, are believed to have been carried out by one offender.
Witnesses have reported seeing a young male, possibly aged between 11 and 15 years old, on a pedal bike in the street acting suspiciously.
Cars in and around Hudson Close have been scratched by what Staffordshire Police believe is a key.
The first incident took place on Sunday, November 8, when a resident on Attingham Drive, reported a smiley face had been scratched into the bonnet of their Skoda car.
The next incidents came on Monday, November 9, on Hudson Close when a resident reported letters had been scratched into their Land Rover Discovery. On the same day, another resident of the same street reported that expletives had been scratched into their Vauxhall Corsa.
A similar occurrence was also reported by the owner of a Ford Galaxy on Hudson Close on the same day.
Then on Thursday, November 19, another resident reported that expletives had been scratched into both the windscreen and side window of their Honda CR-V EX I-VTEC.
A Staffordshire Police spokesman said: "Witnesses say they also saw a boy of the same description possibly throwing stones towards cars on Hudson Close on the same day as some of the incidents took place."
Anyone with information is urged to call Staffordshire Police on 101, quoting incident number 487 of November 19.
Alternatively, contact Crimestoppers anonymously on 0800 555111 or at crimestoppers-uk.org