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 "

Shows the typical components of this kind of flower. Petals and stigma are removable, one anther is sectioned to show the pollens. On stand with base.Outer packing:16pcs/ctnSize (cm): 36*36*55

A lever type balance, with two equal arms and two pans, attached with a sliding weight.