Hi, I love to play with periodic table of elements.For me it's fun,like crossward.I have a lot of designs and hope to make more. This one is BACON-really cool way to show how smart you are. I also have Pirate,Hero,Banana,Taco,Baby,Boss,America,Genius,VIP,SOS,Pasta,Nerdy I think this is largest "collection" of periodic table clothes on the web,because I love it.I'll continue to design these style of shirts,so follow my site:)