1 Characters Bernard Ali Budi Makwetu These boys sometimes cause problems without meaning to They learn several lessons about water and the environment with their friend Droppy Dr Nature He knows a great deal about health and nature He helps the children to improve the protection of the environment Jaya Asha Rosa These school girls want to know all about nature and how to protect it The Farmers They produce the food we eat Droppy helps them to improve their production without compromising water quality Faecal Coliforms They are very nasty bacteria which make people ill and which come from the wastewater Heavy Metals Copper Cadmium and Lead The heavy metal band also makes people ill They escape from corroded batteries Droppy A drop of water that has a lot of adventures