The educational and artistic projects of the Children's Art Gallery of Greece are designed and implemented with a view to pedagogical feasibility, scientific validity, pedagogical fitness, and aesthetic excellence. More specifically:Emphasis is placed on the pedagogical feasibility of the programs and their contribution to the promotion of the educational process. The programs cover specific and real needs of teachers and pupils as they provide the opportunity for the development of teaching objectives and enhance the enrichment and widening of the curriculum.In addition, the wider relevance of CAGG programs is related to the current institutional framework, their aesthetic excellence, and also issues related to the safety of pupils during their use, as well as their functional suitability.In their entirety, CAGG programs are original and innovative.The main criterion for the selection of the CAGG programs is their relevance / compatibility with the educational process and in particular with respect to the pedagogical principles, the aims and objectives it sets, the content and the educational methodology it provides. At the same time, the programs are assessed on the basis of the validity of the scientific knowledge they carry.It examines whether they display substantive and scientifically valid knowledge, modern and timely. Appropriateness is also considered in relation to the age of the pupils for whom it is intended.All CAGG programs are compatible with the principles of modern education and consistent with the current educational process, displaying knowledge that is essential, modern and scientifically accurate,The CAGG's educational programs are assessed for their aesthetic excellence. The aesthetic form and typographic excellence of the programs is proportional to the pupils' age, potential and needs. The structure and organization of the material make it easier to understand its content.Finally, in terms of their functionality, the CAGG programs identify the prerequisite knowledge and technical conditions for their use. They are accompanied by adequate instructions and the prerequisites for their use are compatible with the pupils' age. They have quality and balance in their individual technical elements (graphics, audio, video, subtitles, structural structure).They foresee the possibility of personalizing their function and results in relation to potentially discrete levels of pupils in the same class. Their use is interactive and provides feedback to the user. All CAGG programs also provide collaborative learning activities.In their entirety, CAGG programs are generally referred to as "user-friendly".