Police are investigating after wing mirrors were damaged on nine vehicles – eight on Rydal Road and one on Peat Lane in Kendal.
It happened at about just before midnight on March 31.
It is suspected a group of about four youths may have caused the damage.
Anyone with information can report online at www.cumbria.police.uk/report-it, quoting incident 30 of April 1. You can also phone on 101.
Alternatively, you can contact Crimestoppers anonymously on 0800 555 111.