Oozeq
natural plasticine
non drying modeling clay

Original non drying starch clay is useful for making water soluble mandrels for hollow polymer clay beads and other crafts.
Simple yet unique chemistry provides a pliable modeling compound that is safe for use by children of all ages, as it conforms to ASTM D 4236.
Made in USA
Ingredients: cornstarch, water, glycerin.
US patent 11,118,032