This extremely gross science set will help you to explore and understand how the human body functions. It supports National Curriculum learning and is safe, educational and fun Explore extremely gross science with over 12 really yucky scientific experiments. Learn how farts are produced and make a bouncing poo Understand digestion and how your bladder pees; experiment with slime and make your own disgusting pus ball; make fake blood and see it congeal; plus create a vomiting skull and much more Comes with clear instructions about how to conduct the experiments at home, as well as the method and science behind what you’re doing. Please note that some activities require additional household ingredients and objects (not included): apple juice, sugar, tomato ketchup, brown bread, sweetcorn, cola, ladies tights, rubber band.