My Old Local Heritage Railway Needs Some Help

The steam railway down where I grew up is after some help, such that they can finish a project before the cost quadruples in a years time. The Bluebell Railway runs between Sheffield Park and Kingscote in Sussex and has been planning for a while to extend the line to the mainline station at East Grinstead. Back when my Mum lived at Horstead Keynes (another stop) it would have made getting there so much easier (Aberdeen -> Euston/Kings Cross -> Victoria -> East Grinstead -> Horstead Keynes (all without having to squeeze me and a bag onto a bus).