Shed and garage owners in Holbeach are being warned to be vigilant after tools were stolen from outside a house in Washway Road in the town.
A Lincoln electric compact welder, Stihl petrol disc cutter and a gas bottle were stolen from a garage overnight on April 14 and 15.
Police want anyone who saw unusual vehicles in the area of Boston Road North and Battlefields Lane between April 14 and 16 to contact them.
Sgt Gareth Boxhall of the Holbeach and Suttons Neighbourhood Policing Team said: “I take this opportunity to encourage local residents to be vigilant and if you see a vehicle or people you think are suspicious, especially at night, don’t be afraid to report it to police on 101.
“Wherever you live, spring is a good time to look at your own sheds and garages and consider how secure they are.”
Anyone with information about the Holbeach case should call PC Sarah Draper on 101, stating incident 268 of April 15.