What's your favourite element? It's OK, you don't have to pick, you can have them all with these awesome Periodic Table t-shirts! Everyone in the family can get involved in teaching the world about the wonders of the Periodic Table of the elements when they go out and about wearing these colourful cotton shirts! These fabulous short sleeve shirts are ideal for science teachers and professors as well as professional chemists and laypeople who just get a thrill out of the perfect and logical Periodic Table! Even young kids can get excited about the elements since these shirts start in kids size 4 and go up to adult size XXL. Parents and teachers can use the shirts as a teaching opportunity, it's like a mobile, wearable blackboard! Of course, the Periodic Table we know and love today was developed by Russian chemist Dmitri Mendeleev in 1869. He must surely have been a genius to come up with something so simple and yet complex at the same time! Did you know that Mendelee Product Specifications: Black cotton short sleeve shirt Child size 4 - Adult XXL