Mars, Venus, Earth, Mercury, Neptune and Pluto have two layers of color - an outer core and an inner core.
 
Saturn, Jupiter, Uranus have three layers of color - an inner core, outer core and crust.
 
Each order includes: A full solar system of nine planets - we even included Pluto!
Dimensions: Larger 2.5 inches in diameter, Smaller 1.5 inches in diameter