A strimmer and chainsaw were among tools stolen from a lock-up at Wellhead Park, Bourne, on Bank Holiday Monday.
People are reported to have been seen in a compound at the park in South Street at about 10.40pm.
It was one of a spate of burglaries and attempted break-ins across the town in the past two weeks.
Intruders tried to break into a house on South Road before they were seen leaving through a back entrance and towards the Spinney Woods area of Elsea Park after a burglar alarm was set off.
The attempted burglary happened at about 10pm on Sunday 3rd May.
Other attempted break-ins happened at a shed in South Street between 8.30pm and 10pm last Thursday and an industrial unit in Camberwood Drive, off Manning Road, at about 9.30pm last Wednesday.
Finally, thieves tried to steal a vehicle parked in Cherry Holt Road, Bourne, at 10pm last Wednesday when there were reports that two people had been seen running from the area
Anyone with information on any of the above crimes should call 101.