With this layer puzzle comprised of four layers, children can learn the course of a pregnancy in a playful way. From the beginning of pregnancy to the baby's birth, the individual pieces of the puzzle are assigned to the appropriate layers. In addition to general learning, puzzling promotes the development of concentration and fine motor skills. Ideal for preparing children for the arrival of a sibling! The different layers of the layered puzzle are illustrated with the pictures of the growing baby in Mama's belly on the right side of the puzzle. A learning puzzle that's lots of fun! A real enrichment for your learning puzzle assortment!