An educational story targeting the age group (3-5) years. The story prepares the children for the arrival of a new baby. The mother says that she has a surprise that will appear after nine months, and here the child's mind turns every month to ask about what is the surprise, so her desire increases month after month, until it coincides with having a sister.
The child learns that pregnancy is 9 months.
A child loves having a younger brother or sister.