Once we had the first beta version needed to validate that our intuition was correct at an educational level. We held meetings with a pedagogical cabinet and raised some doubts, while conducting us suggestions to improve the game.
At first we passed that both the idea and the development they liked a lot. At these meetings we indicated that could be improved to allow pedagogical level change both the texture of the cubes as the textures of simplifying numbers and increasing the contrast between the two. Thus, this modification would facilitate the task to discriminate the numbers for children with difficulties.
During the test sessions with children, who were learning to count without any explanations, were able to understand and manage the application. Being able to place the cubes in their correct positions, as well as to discriminate the numbers that were up side down.