Are you a science teacher or student that loves biology? You will love our funny snowman christmas tshirt for science nerds & lovers of stem cells. Grab this gag snowmen tee as a novelty clothing gift for men, women & kids that geek out in bio! This Look Stem Cells Snowman Biology Joke Shirt runs small, kindly size up! Grab this cute snowman shirt for young boys & girls scientists that like humor and jokes. Best holiday & Christmas gifts for science teachers, him or her, with their ugly sweater!