Understanding development of the egg from fertilization to a 35 day old embryo is graphically aided by 3-D illustrations of the ovum, ovulation, fertilization, initial cell division, and implantation. Set includes 24”W X 18”H model and detailed activity guide with color overhead transparency.

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.