This tee is made to be worn more than just periodically. It features your fave Muppets as elements. Kermit, Miss Piggy, Gonzo, Statler, Waldorf, Fozzie, Bunsen Honeydew, Beaker, Pepe, Dr. Teeth, Animal, the Swedish Chef, Scooter, Camilla, Floyd Pepper, Janice and Zoot -- they all have a spot on this periodic table.