21 Parts 4D Human Embyro Development Anatomical Model Fetal Growth Organ Medical Teaching Alpinia Assembled Toys4D Human Embyro Development Anatomical Model Fetal Growth Organ Medical Teaching Alpinia Assembled Toys Product Name: fetal growth Number of parts: 21 Colour: Photo Color Material: plastic Package Contents: 1X fetal growth Model (21 parts) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement