・ 12 officially purchased discs ・ The latest version, the same as the currently released version I purchased these here before, but I have duplicates, so I am selling them. ・ 3-part all play: vocabulary (no subtitles & English word introduction) → lyric (with subtitles) → karaoke (music only) ・ All play for each section ・ For each chapter in each section The product condition is used. The cases are clean, but discs 1, 2, and 4 have noticeable scratches... The original seller said there were no playback issues, but they stopped playing on my player at the following points: Disc 2: lyric, "clap your hands" Disc 4: vocabulary, "where is your right hands?" lyric, "let’s go on a picnic" Disc 5: vocabulary, "yummy yummy food" I usually switched between lyric or vocabulary and watched all the songs. I don't know if there's a demand, but I'll include a sticky note with my method for smooth playback. ※ Due to the prevalence of bootlegs, and to prevent swapping and because this product can be copied, returns and exchanges are not accepted after purchase. Thank you for your understanding.