The set depicts the 5 scientifically accepted and recognized layers of the Earth and their composition: 
- Crust 
 
- Upper Mantle
 
- Lower Mantle
 
- Outer Core
 
- Inner Core
 
 Contains the following: 
- Booklet
 
- Wall Chart
 
- 3 Part Nomenclature with labels 
 
Nomenclature Cards measure 4.25" x 5.5"
Wall Chart measures 8.5" x 11"
Booklet measures 4.25" x 5.5"