As-Sai'b bin Yazid (May Allah be pleased with him) reported:
I was seven years old when I was taken to perform Hajj (pilgrimage). This was during the time the Messenger of Allah (ﷺ) performed the Hajjat-ul-Wada' (Farewell Pilgrimage).[Al- Bukhari].
App reference: Book 11, Hadith 11
Arabic/English book reference: Book 11, Hadith 1281