Materials You'll need an Aggressor kit and whatever you'd usually use to assemble it, plastic glue, super glue, Green Stuff or another 2 part solid epoxy, three per Aggressor 2mm (wide) x 1mm (deep) magnets, and six per Aggressor 3mm x 1 mm magnets. You'll next one extra 3 mm x 1 mm magnet if you don't already have a handler. I also recommend a thin strip of magnetic material to keep your magnets on while not using them (they are easy to lose). A metal ruler or strip of magnetic tape is goo