The project is implemented jointly with ‘For Our Children’ Foundation and with the financial support of the ‘Trust for Social Alternative’ Foundation. The aim of the study is to establish the state of services for children 0-3 years with permanent disabilities and at risk of developmental delay in the town of Plovdiv and to offer guidelines for improving data collection and building local policies for the youngest children. The results of the project are published in the report “A Look at the Invisible Children of Plovdiv”. The IPHS research team: Prof. Dr. Tatyana Kotzeva /leader/, Assoc. Prof. Dr. Elitsa Dimitrova, Assist. Prof. Stanislava Moraliyska-Nikolova, Kalina Ilieva.