Sherman Crab Flail (mechanised)
A 1:56 model of a Sherman tank with the mine-sweeping Flail modification with working (sort of) spinning mechanism,
to complete this model you will require a few additional items:
2,3,4mm OD (0.45mm thick) brass tube for axles and bushings
Rubber O rings between 20mm and 50mm wide
2mm jewellers chain of your choosing