Roald Dahl: George'S Marvellous Experiments

George Kranky created his own Marvellous Medicine to deal with his grizzly old grunion of a Grandma. You definitely can't do that at home (so don't even try!), but here's some amazing science that you can do! From concocting home-made slimy snot to creating your own volcano, these fun experiments are all easily done, following simple step-by-step instructions and using everyday household objects.