【To prevent problems, please read the profile before asking questions or purchasing.】 "The Ultimate Tips for Raising a "Smart Child" as Taught by a Brain Scientist Who Has Seen 160,000 Brain Images" Yasuyuki Taki Price: ¥1,452 A brain scientist who has seen 160,000 brain images also put these methods into practice with his own son. With just three secret tools, a child's brain can grow smart! I read it once after purchasing and have kept it at home. Overall, it's in near-new condition, but there is a stain on the third photo, so I marked it as slightly dirty. --------------------- ※ It has been stored at home, so there are some scratches and stains. Please purchase only if you understand that it is a used item. ※ We do not accept claims after purchase, so please understand. For sale until January 4, 2026. Will be disposed of then.