With these essential models, you can easily demonstrate the birth process. Model set features the Deluxe Flexible Pelvis Model (10½" x 7" x 7½"), which can be manipulated to demonstrate how the female pelvis moves to accommodate delivery. Its flexible anatomy allows exaggerated movements for presenting to a group. Three separate bone segments are joined together with flexible cord, helping viewers visualize how the pelvic bones flex during birth. Complete model set also includes a Fetal Model, Placenta/Cord/Amnion/Chorion Model, and Perineal Cloth Model.