The contributions deals with the possibility of using visually attractive and fully functional teaching tools (Smokey Sue TM, Sue smoking per two, glasses „drunk and dangerous“) serving to prevention unwanted alcoholism and smoking of children and teenagers via personal experience method. The manipulation with teaching tools greatly increases the biology teaching student’s interest in these themes. The popularization of informations about harmful effect of cigarette smoke and alcohol on pupil's health and their surroundings via interesting method could be beneficial to turn-off experimentation with such addictive substances and help to reduce this phenomenon among young people.