IntroductionThis is an instructional and multipart-assembling material that people can make into various structures by combining basic units like its frames and connectors. With the 4D Frame, students can understand concepts of math and science and...
red cyan 3D glasses
Lenses are GRADE A lenses with 2 side presrvative, so the there is no scratch/score on lenses. Model PL0008, is the most popular plastic frame circular polarized 3D glasses. It is used in RealD or MasterImage cenima system or home theater. With...
4Dland Inc. is a small to medium business that is contributing to the convergent and creative education of the Republic of Korea by utilizing the 4D Frame, which is an invention-patented teaching material of Korea developed based on the idea of the ...