The phrase "tween years" refers to the time when a person is no longer a child but not yet a teenager. It usually includes ages around 10 to 12, when kids are transitioning from childhood to adolescence. Full definition
The early tween years are a critical time to start giving your child more responsibility. (verywellfamily.com)
Below are a few considerations as you ponder the kids, cell phones, and tween years dilemma. (verywellfamily.com)
Most boys won't develop facial hair until they're well into puberty (generally around age 14 or so), while others may need to begin shaving in the later tween years. (verywellfamily.com)