Aisha said, "While the Ethiopians were playing with their small spears, Allah's Messenger (ﷺ) screened me behind him and I watched (that display) and kept on watching till I left on my own." So you may estimate of what age a little girl may listen to amusement.
Reference: Sahih al-Bukhari 5190 In-book : Book 67, Hadith 124 USC-MSA web (English) : Vol. 7, Book 62, Hadith 118 (deprecated)
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