Mason's Planets Handmade Sidewalk Chalk is out of this world!
$2 from every sale of Mason's Planets will go to the Children's Hospital of Philadelphia to support Autism research.
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 - an inner core, outer core and crust.
Includes a full solar system of nine TWEE Sidewalk Chalk planets.
Dimensions: Large TWEE Planets - 2.5 inches in diameter.