Scientific Explorer Disgusting Biology is the grossest, most revolting kit available that will educate your child with nasty experiments on what actually grows on their own body, what's really in their teeth and the explanations behind our unmentionable, smelly bodily functions. Disgusting Biology investigates your child's everyday questions like "What makes you pass gas?", "Do creatures really live on me?" and more. Your young scientist will be fascinated to learn fun facts about these body parts, by-products and will be grossed out as they take science to a whole new level by creating a stinky intestine, slimy snot, fake blood and learn how to grow friendly molds and bacteria. Includes 4 petri dishes, magnifier, 2 cotton swabs, agar (0.42oz/12g), baking yeast (0.25oz/7g), red food coloring (0.2oz/5ml), rubber balloon, plastic zip-lock bag and activity guide. Recommended for children 8 years of age and older with adult supervision.