Page 5. This book is part of a series of Korean language books written for children with repaired cleft palate. The book targets P and B in Korean. Children receiving speech therapy after a repaired cleft palate should practice speech sounds 100 times a day if they want to improve. With these books, children can practice at home with their family or on their own! ‘보물놀이’는 구개열 수술을 받은 아동들을 위해 한국어로 제작된 언어 발달 책 시리즈 중 하나입니다. 파열음 /ㅂ/ 와 /ㅍ/ 발음에 중점을 둔 책입니다.