You can see the real night sky that retailed practical brightness and position. There is psychological effect of emotion stability and brain development, Concentration elevation etc as well as visual effect.It technical and educational superiority recognized by the Korea Astronomical observatory.This wallpaper is designed to implant hope in children's heart and revitalize childlike innocence in the heart of adults. Your dream comes true.Star-Zone was gained The Patent Right of Luminous wallpaper for leaming constellations from Korean Intellectual Property Office and The Copyright from United Status Copyright Office.