A banana was among the items swiped by thieves from a car parked in Beechfield Place in Maidenhead over the weekend.
A computer hard drive, passport and three shop vouchers were also taken from the car between 7pm on Saturday and 8am on Sunday.
It is not known how the thieves got into the car.
Call police on 101 with any information.
Top Ten Articles
The Met Office has issued a yellow alert for Windsor and Maidenhead, Slough and Wokingham, warning that rain moving eastwards across the south of the country may turn to snow in some places.