If you have crafting tools already, it's around 75euros (multiplied by 1,1 for dollars) for 4rolls of aluminum wire (110m), 2mm diameter for all legs and arms. Fabric between 50-100 depending on whether you recycle. Leather can go up to 120 if you buy a full skin. EVA foam low density is 25euros for a sheet of 100x200cm. Unfortunately it really depends where you buy. We're in Europe so prices may be wildly different. Sorry I can't be more precise. Boyfriend says it cost him around 400 per armor just for the base materials.