A "Riddle Card Book" purchased at a candy store around 1970. Unopened, 2 sets. The cover of one has a parody feel reminiscent of manga artist Noboru Kawasaki, giving off a strong Showa era vibe. Inside, each set contains a few thin cards. The cards have riddles written on them, and the answer appears when you rub them with a pencil. There are two sets in total. ■Condition Purchased around the 1970s, it's from the time it was released and is unopened. The seller purchased and stored these items. Since they are quite old, the bags have noticeable scratches, stains, and discoloration. It's unknown if the mechanism for revealing the answers with a pencil still works. However, it is believed to have value as a Showa retro toy. Please consider the above carefully before making a decision. Since these are used and old items, please refrain from bidding if you are critical in your evaluations, are overly concerned about condition, or are seeking a pristine item.