Replica Human Fetal Skull Development Kit - Set of 12 Skull_Width_1_IN The Bat Ray is a

The Bat Ray is a species of eagle ray found in the eastern Pacific Ocean

Origin: Lake Turkana

Estimated to be 21 1/2 weeks old

Jackson's mongooses inhabit a variety of habitats

Replica Human Fetal Skull Development Kit - Set of 12 Skull_Width_1_IN The Bat Ray is aAn unprecedented reproduction of twelve stages of fetal development. This set makes it possible to carefully study developmental change in small increments of time. From 13 to 40 1 2 weeks of gestation, these fetal skulls demonstrate subtle, but significant changes that are taking place as the human fetus is developing. The set will prove invaluable for biological and medical scrutiny in an attempt to grasp how nature accommodates the needs of the