Along with the transformation of caterpillar to butterfly, the metamorphosis of tadpole to frog is a fascinating phenomenon. No-one can fail to be amazed by the way in which frogspawn transforms into small amphibians. Unlike their close relatives, the Great Crested Newt and the Natterjack toad, frogs are not protected by law, so it is permissible to have frogspawn in your setting for the children to watch (if you are fortunate enough to have access to some)....