Two things here.
It appears the Autralian market car get a jack and a wheel brace, the UK does not if you look at the parts diagram so you may also need a wheel brace but the long ones can be purchase at motor stores.
If you want to jack the car up I suggest you get some contrasting paint and make a few marks where the jack goes as looking at it during say a puncture you will not be able to pick out the jacking point flange.
Have a look at the diagram Robbie posted on this thread.
http://www.mx5oc.co.uk/forum/yaf_postst90472_Stable--jacking-point-and-axle-stand-points-on-MX5-ND.aspx
Guys, my apologies. you don’t need to order a “winding handle” for the jack as the function of this is performed by the tool identified as 58-240 in Drumtochty’s diagram. This comes as part of the standard tool kit with the towing eyes. The hooked end of the tool is attached to the screw of the jack and the rectangular end of the tool is inserted into the rectangular cutout in the wheel-brace handle which allows you to crank the tool and operate the jack. So unless you have the Mazda Wheel-brace with the rectangular slot you will not have the correct tools to operate the scissor jack. So to sum up, you need the Mazda Scissor jack, Mazda Wheel-brace and the T-screw to clamp the jack in the mounting in the rear offside wing compartment. Hope this helps.