THIEVES smashed their way into five cars.
The incidents happened overnight between Wednesday and yesterday in Ryhope.
The thieves targeted streets include Skipsea View, Withernsea Grove, Esdale, Smith Street and Smith Grove.
Breaking into cars, they stole items including sat navs and CDs.
Neighbourhood Inspector Jamie Southwell said: “Officers are making inquiries into this theft and want to speak to anyone who was in the area at the time and may have seen anything suspicious.
“Extra officers are on patrol in the area as part of Operation Balloon which includes both uniform and plain clothes officers.”