Professionally supervised! A brain activity book that will make you fall in love with PHP. Become a brain that is more resistant to senility than anyone else! 3 minutes a day brain training kanji puzzle 366 / 84787 1

●Country of production: Japan. A popular book containing questions supervised by neuroscientist Shinohara Kikunori. - Stay awake with fun kanji brain training every day. A book for those who want to avoid dementia, containing 366 kanji brain training questions that are said to be ideal for activating the brain. *Not sold at general bookstores.