In reply to Enty:
Blindfolded putting on a harness.
Putting on a harness race.
Knot tying. In teams, half on each end of the rope, get them to tie a reef knot.
Blindfold make a square with a rope. They have to work out how to equalise the sides, and creat a square whilst blindfolded.
Hoopla with slings.
Chalk art.
Ice axe throwing
Robin