The science education program "Dai Kagaku Jikken" (Great Science Experiments), which has created numerous legends. The large-scale experiments are all filmed in real life, without using CG. The experimental rangers, who give their all in one-time-only grand experiments, verify and visualize the laws of nature through trial and error. You won't know until you try it. (From the back cover) Thank you for viewing. There are no noticeable stains or scratches, but there is a general feeling of use. Please understand that this is a home-stored item before purchasing.