ASTAR 4D is a free educational application for children of middle and high school age with augmented reality technology. The ASTAR 4D application works ONLY together with PRINTED BOOKS, on the covers of which there is the "ASTAR 4D" LOGO.

This technology supplements popular science encyclopedias with visual information, while developing students' spatial representations, imagination, and three-dimensional design skills. Encyclopedias contain pages marked with a special ASTAR 4D icon.