(15) باب التَّسْلِيمِ عَلَى الصِّبْيَانِ
Narrated Anas bin Malik:
that he passed by a group of boys and greeted them and said, "The Prophet (ﷺ) used to do so."
Reference: Sahih al-Bukhari 6247
In-book reference: Book 79, Hadith 21
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 8, Book 74, Hadith 264