Junior Adventurers, April 1969

Junior Adventurers
The Junior Youth Club continues to be held in the Parish Hall every Wednesday evening with an average attendance of 15 children.
Activities have included plays, sweet-making, putting, and a local-knowledge-come-scavenger test around Lewes.

(Extract from Annual Parochial Church Meeting, 15th of April 1969)

Does anybody know what a local-knowledge-come-scavenger test around Lewes is?!