How old do you young ones need to be in order to accept that warm invitation to worship and serve Jehovah? No age is specified in the Scriptures.
وَفِي أَيِّ عُمْرٍ يَلْزَمُ أَنْ يُلَبِّيَ ٱلْحَدَثُ هذِهِ ٱلدَّعْوَةَ ٱلْحَارَّةَ أَنْ يَعْبُدَ يَهْوَه وَيَخْدُمَهُ ؟‏