The world is teaming with microbes. That fact is never so graphically apparent as when someone actually takes the time to culture the bacteria and yeast growing on everything — from pillowcases to toilets to eyeballs. Fortunately many of these microbes are vital to human health.

If you are looking to gross out some friends and family (and carry out serious scientific analysis at the same time) you will want to try our bacteria growing kit. It includes everything you need to get started – you just supply water and bacteria (don’t worry, it’s everywhere.)