<< Objectives >>The DECODE project will boost preschool children cognitive development through the creation, testing and validation of innovative learning resources to be applied in kindergartens and at home, training course for teachers and workshops for parents, a cognitive development digital repository and many additional results. It is aimed at enhancing the quality and relevance of ECEC through innovative methods, tools and support mechanisms, with specific focus on children from disadvantaged backgrounds<< Implementation >>To achieve our aims, together with our partners (4 kindergartens, an association of preschool education, 2 providers of education materials and 1 university) we will co-create a number of Preschool Cognitive Development Resources, as well as test and validate these among 300 children, 12 teachers and 60 parents in the Czech Republic, Slovakia and Slovenia. In addition we will conduct a large dissemination campaign to reach at least 2000 key stakeholders in ECEC from across Europe.<< Results >>We expect to boost preschoolers cognitive development through enhanced personal, social, learning to learn and basic literacy competences, improved sensory perception, imagination and fantasy, memory and reasoning, and communication skills, as well as decrease the chances for learning disadvantage and low proficiency of basic skills at later stage of life; increase the engagement of parents in their children's cognitive development; enhance KIGA teachers competences and professional development.