Heights and weights

 Moose is 5' 6" (98 percentile) and weighs 97 pounds (53 percentile).

Levi is 5' 3" (99 percentile) and weighs 91 pounds (73 percentile).

Peewee is 4' 5.5" (91 percentile) and weighs 64 pounds (71 percentile).

Official heights and weights

Moose is 11 years and 10 months old.  He weighs 89.3 lbs.  He is 64 inches tall.  (5'4")

Levi is 10 years and 2 months old.  He weighs 90.2 lbs.  He is 60.5".  (5' 1/2")

Peewee is 7 years and 5 months old.  He weighs 58.2 lbs.  He is 51.5".  (4' 3 12/")