Edible slate pencils are crunchy, but these are softer but still crunchy!. Earthy Goodies edible clay dirt chunks, chalk and slates are the best out there.
Edible Slate Pencils/Slate Bars White Pencils/Natural
Earthy Goodies: Earthy Goodies Thin Slate Pencils that are broken
Brighty Natural and Earthy 400 Pcs Monika Brand White Thin Slate
Earthy Goodies: Edible Clay Dirt Chunks, Chalk and Slate
Earthy Goodies: Earthy Goodies Thin Slate Pencils that are broken
Earthy Goodies Edible Thin Slate Chalk Pencils. White
EARTH-NATURAL 50 Pcs, White Slate Pencils, Cut From Nigeria
Earthy Goodies: Edible Clay Dirt Chunks, Chalk and Slate
Earthy Goodies: Chipped slate tiles. Thinly cut crunchy edible