New technologies broaden the horizons of options available to accompany lessons in order to either partially or entirely overcome some of the limits of traditional education. Thanks to an innovative production technique and a practical system that allows for the substitution of the nose/mouth parts, it is now possible to face the CPR training of groups of students in a more economical way. Easy the location for the xiphoid process for the positioning of the hands and of the compression. Try 797 can be used for either adult or paediatric patients training.