One of these:CNC Piranha Fx ? It seems to be small enough, and it comes with "some assembly required", so you might be able to pack it up the way it comes. If not, it seems like it would come apart pretty easily. You don't have to get it into a suitcase; you'll usually see a lot of cardboard boxes when you're standing in line for a Mexico flight, since many people bring appliances etc. home with them from the US. The airlines will probably charge extra, but they do that for everything nowadays.