Sweeter than sugar

An educational story targeting the age group (3-5) years. The story prepares children for the arrival of a new baby. The mother says she has a surprise that will appear after nine months, and here the child's mind turns over every month with a question about what the surprise is, increasing their desire month after month, until it aligns with having a sister. The child learns that pregnancy lasts nine months. The child becomes fond of having a brother or sister younger than them.