Starting with the Cube Solution book named JJangsaem’s Cube Classroom in 2011, he is specialized in developing, producing and distributing various cube items by planning educational contents using cubes for the first time in the world. Since 2014, he have trained many blind cuber by providing chance to study cubing and especially have been running the business of supporting cube education overseas by visiting developing countries. Also, research on the education of learning the cube easily for everyone like grandparents is his main area