One of text adventures developed as a class 5th Primary School Val Di Cava - Comprehensive School "Niccolini" - Ponsacco (PI). The adventures have been the culmination of a three-year course during which the children participated in a pilot project of educational robotics that led them to learn and to cooperate with each other to achieve a common goal. The source code is available at the following link https://github.com/imballo/diamante The terms of use of the source code and the graphic mat