Illustrated in graphic detail is a life sized fetus in normal pre-birth position.  Removeable transparent covering depicts the amnion.  A magnified inset shows the placental wall and umbilical cord.

Each Model Activity Set consists of a 24" x 18" markable model of durable vinyl and an activity guide. The activity guide introduces background information, and has teacher-developed activities. The guide contains a glossary, a key to the model, color transparencies and a blackline master.