Swaddling clothes: less than a year old.
Childhood: two to three years old.
Beginning to replace the milk teeth and the year of the shao: the boy is eight years old.
Chief horns: generalized term for young children.
The year of the hanging bun: a child.
Yellow mouth: under ten years old.
Young school: ten years old.
The year of the dancing spoon: thirteen to fifteen years old
Shihaku: fifteen years old.
The year of cardamom: a woman is thirteen years old
Maturity: a woman is fifteen years old.
I hope this helps