I'm not sure, but I guess there are many companies that do that and customized their sizes. Here's a great company that does them http://www. Jobmastermagnets.
ComHope this has helped you in your search for answers.
The information below applies to the rare earth neodymium magnets only; all the information below came from www.magnet4less.com website.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.