A science education DVD series for children that makes learning about electricity, the sun, the workings of force, and Japanese industries fun. - Title: I Understand! The Science of Electric Current and Electromagnets - Title: I Understand! Astronomy 1: The Science of the Sun - Title: I Understand! The Science of How Force Works - Title: I Understand! Japanese Industries 1: Elementary School Edition - Title: I Understand! Japanese Industries 2: Elementary School Edition - Title: I Understand! Japan's Land - Series Name: I Understand! - Publisher: NIKK Thank you for watching.