Following further research on the application of the creative problem solving method to teaching, we present here an experience that has occurred in pre-school education, the results of which have surprised everyone involved because of their quality, unity and respect for what is planned. This article is part of the constructivist pedagogy of teaching by projects. In order to talk about pedagogical project, the methodological aspects are essential to understand the commitment and appropriation of the project by the student. It reports a case study developed in Northern Portugal with half a hundred children, from basic and pre-school education. The phases of the construction of projects were developed, subordinated to the objective of the School Project, in an adaptation of the method of creative problem solving to the work with large groups. The implementation resulted in the implementation and presentation of six projects. The results show that the participants aligned the imagination with the planning and distribution of tasks, demonstrating the effective implementation of creative problem solving.Keywords: Case study; Creativity; Educational projects; Educational innovations; Methodology.