My son Eric, KF7TQU, passed his Tech within days of turning 17. He would have had it at 16 but failed the first 2 attempts.
My daughter Leyla, just passed her Tech today on her first attempt, and she's 8 years old.
She's definitely enjoying the praise she's receiving right now and it's quite the confidence booster.
Eric is now 18 y/o and he is "enjoying" his 2nd week of of USMC boot camp on his way to become a Marine grunt. He gets enough praise so having his little sister rub it in a bit won't kill him.