Red clay is recommended, but you can substitute potter's clay, available at most craft stores.
From the sfgate.com
These pots were inspired by Southwest Native American pottery and created using potter's clay.
From the sciencedaily.com
Designers can work with the putty as if it were potter's clay.
From the newscientist.com
Red clay is recommended, but you can substitute potter's clay, which is available at most craft stores.
From the sfgate.com
In a blender, grind up some moss, potter's clay and yogurt.
From the heraldtribune.com
Deposits of high quality potter's clay were found throughout Greece and the Islands, with major deposits near Athens.
From the en.wikipedia.org
The oldest confirmed inscription is from 1668 on a stone made of potter's clay, according to records maintained by the synagogue.
From the dailyherald.com
The site referred to in these verses is traditionally known as Akeldama, in the valley of Hinnom, which was a source of potter's clay.
From the en.wikipedia.org
The expression derives from the Bible, referring to a field used for the extraction of potter's clay, which was useless for agriculture but could be used as a burial site.