At the age of 9 years old my son now weighs 170 lbs and is almost 5 ft tall (4’6 ft) and I feel like this will get him on a healthy start he needs training wheels 

At the age of 9 years old my son now weighs 170 lbs and is almost 5 ft tall (4’6 ft) and I feel like this will get him on a healthy start he needs training wheels