Recognizing the importance of the kindergarten as a foundational transition stage, guides child behavior and habitude, as builds integrated and balanced character, to prepare children for the primary school. Using learning through play theories and the potential of multimedia in the delivery of information with an interesting way, as the multimedia educational software becomes a basic component of the educational processes. Depending of that ReDSOFT designed and developed three projects of rich interactive multimedia software related to Kindergarten stage. As this paper describe project phase’s processes including the project design details and ticks (graphics and characters design, control panel, login and teachers menu). Also describes project technical and educational standards, ending with project implementation description and browsing samples of final work.