A gang got away with sweets and drinks from the cafe bar of Bourne Outdoor Swimming Pool in Abbey Lawns.
The gang forced their way through woode shutters after getting into the bar at the sports centre in Abbey Road between 8.15pm on Friday June 6 and 9.45am the next day.
meanwhile, a gang tried to steal a vehicle parked in Godsey Crescent, Market Deeping, between 9pm on June 7 and 2pm on June 8.
Police in Market Deeping are also looking for vandals who broke the lids off two dog bins and damaged a see-saw in John Eve Field, Godsey Lane, between June 14 and 16.
Anyone with information should call 101.