Test Tube is a tall glass beaker in the shape of a thin cylinder with an opening at the top surrounded by a wider glass ring. Inside Test Tube is an unknown neon green liquid substance Test Tube has also proven to have an extreme form of atychiphobia or the fear of being wrong As a proud prospective and self-proclaimed scientist, Test Tube devotes her life to the education of science If Test Tube makes a miscalculation or is proven wrong the result can cause her to undergo massive stress. 