A group of teenage youths were disturbed while they were trying to break into a garage in Westfield Road, Dunstable, on Sunday, August 24.
The householder heard the noise, shouted at them from a window and they fled into Maidenbower Avenue.
Police said that three white boys were involved, aged 12 to 15, of skinny to average build.
They were discovered trying to break into the garage shortly before 11.45pm.
Two wore dark clothing, and the third, who appeared to be the youngest, was riding a bike. The youngest boy's clothing included a white top.
Anyone who can identify these boys, or has information which could help, is asked to contact PC Jenny Buckley, on 01234 841212 or Crimestoppers, anonymously, on 0800 555111.
Bedfordshire Police Crimestoppers
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