Easy Peasy Science Fair Project Kit &ndash; Do Hand Sanitizers Really Work? &ndash; Grow Bacteria Simple and Easy Grow bacteria from your fingers to see if hand sanitizer really works! 2-3 day project! - Learn the valuable lessons a science fair project has to teach you without the mess, stress, or confusion. Help with question, hypothesis, papers, graphs and data table! Convenient, pre-poured plates. Our plates are ready-to-use. There is no need to melt agar and pour the plates yourself! Note: Check with your school to make sure a bacteria project is allowed before ordering. Most schools allow bacteria projects but a few do not.