Cosmos is a tablet application, for children from 10 to 12 years, it allows them to learn the solar system in a fun way in addition to school education. This application works with an interactive carpet, students walk on it, with their tablet, like real explorers through augmented reality. NFC buttons, in the carpet, can detect each planet when the tablet approaches. The student will then be able to perform various actions using the available tool palette. At the end of this activity, the children will have gathered all the information of each planet and will be able to compare them between them.