Product Name: Model of Adult SkullModel Number: QH3392Place of Origin: ChinaLife size. A 3-parts skull. Comes with a calvaria cut and a spring-held lower jaw.Size (cm):22*11*15

This model is used as a visual teaching aid in middle school biological lessons to help students get an idea of the internal structure of animal cell. Made of plastic.Packing:10pcs/ctnSize: 49*33*36.5

Model of earth internal structure (Φ32).Packing:1pc/ctnSize: 35*35*35cmG.W.: 3kg

Packing:1pc/ctnSize: 30*16*5.5cm

Packing:1pc/ctnSize: 30*16*5.5cm

The base is made of plastic. It can be dissected in to two parts and assemble to different styles.

Product Name: Multipurpose Test SupportModel Number: QH1102-4Place of Origin: ChinaThe base is made of Steel. It can be dissected in to six parts and assemble to differentstyles.

Demonstrates that for every action there is an equal and opposite reaction. Left and drop one ball to see one ball pop out from the other side. Lift two balls and two pop out. Leave this popular "

Demonstrates that for every action there is an equal and opposite reaction. Left and drop one ball to see one ball pop out from the other side. Lift two balls and two pop out. Leave this popular "