Brazen thieves targeted three Worksop cars in the space of two days.
In the first incident, on Thursday 27th March 2014, a Renault Master van parked behind ASDA at Celtic Point, Worksop, was broken into.
It happened between 1.50pm and 2.10pm.
A black Samsung Galaxy S2 in a green case was stolen.
If you know anything about this incident call police quoting incident number 000598-27032014.
In a separate incident a vehicle parked on Lady Walk in Worksop was entered.
Thieves swiped a Tom Tom sat nav and a Samsung mobile phone. The sat nav serial number is GV3313G01370.
It happened between 5.30am on Saturday 29th March 2014 and midnight on Sunday 30th March.
To report details relating to this crime call police and quote incident number 000642-31032014.
On the same day a Seat Leon parked off West Street in Worksop had its offside rear window smashed.
A briefcase was stolen from inside but it was later found on Westgate and handed in at Worksop Police Station.
The theft happened between 6pm on Saturday 29th March and 3pm on Sunday 30th March.
To give information on this crime call the police and quote incident number 000423-30032014.
Call 101 or Crimestoppers anonymously on 0800 555 111.