You will need 2 off x 3mm copper rivets, and  4 off x 1/8'' aluminium rivets plus 4 off x 3/32'' aluminium rivets.

These rivets are sold in packs of 10 so you need not worry about ruining a couple as you go.

When you rivet the Fire Box and the Engine Cowl  please make sure they are clamped tightly together at the four points otherwise the end result will be one wonky assembly that will look horrible upon completion.

Click the links above to get your rivets!