The Pregnancy Development Series Anatomy Model is a 8-model anatomy series from 3B Scientific and manufactured in Germany. The 8 models show the complete stages of development. All models are mounted separately on a stand. * 1st Month Embryo * 2nd Month Embryo * 3rd Month Embryo * 4th Month Fetus (Transverse Lie) * 5th Month Fetus (Breech Position) * 5th Month Fetus (Transverse Lie) * 5th Month Twin Fetuses (Normal Position) * 7th Month Fetus. The series is best used for student education or patient consultations. The model is 4.7 x 4.7 x 7.5 in. and weighs 7.05 lbs.