TWEE’s Solar System: Mason’s Planets chalks are out of this world! 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. Best part: $2 from every sale of Mason’s Planets will go to the Children’s Hospital of Philadelphia to support Autism research.
Key features:Non-toxic, eco-friendly and biodegradable (even the glitter!)