Mason's Planets Sidewalk Chalk

Handmade Sidewalk Chalk Mason's Planets are 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.