I can never get my head around mindless selfish behaviour. Hopefully the damage isn't too bad.
Royal Deeside Railway, an award-winning Victorian station preservation complex, said the break-in and theft of tools and broken windows totalled up to £3,000.
The damage was discovered by staff on Sunday morning at the site in Milton of Crathes, Banchory.
Windows were found broken on one diesel locomotive and a work wagon, while a battery powered reciprocating saw and rail saw were stolen.
The railway is now looking to raise £3,000 to replace the items taken which are essential in bringing a new platform into service, and also to replace the laminated windows that were smashed in the break-in.