3d Model Earth Layers. The crust is the thinnest outside layer of the earth where the continents reside. The crust the upper mantle the lower mantle the liquid outer core and the solid inner core.

There are 5 layers of the earth. Yellow inner core. Layers of the earth moving wheel model template for constructing a working spinner model showing the layers of the earth.
How to make a model of the earth.
The next layer is the mantle which is the largest layer and is divided into 2 parts. A 3d model of earth our home planet. You can usually find these at craft stores. Beyond that is the crust the surface where the earth s inhabitants.