Self-hardening clays

Plus clay in a beautiful terracotta color is a premium-quality, natural clay that is self-hardening. It has exceptional plasticity and ultra-fine grade, which allows for excellent detail and versatility. This odorless clay can be used straight from the package. Plus clay air cures to superior strength and durability with minimal shrinkage. It can be carved, sanded, and drilled when dry, and will accept virtually any finish.

White - Plus Natural Self Hardening Clay 2.2lbs - Activa

DAS Air-Hardening Clay is an excellent modeling clay for art projects. This pliable, safe-to-use clay hardens by air with no oven baking required, and dries in 24 hours or less.

Das Air Hardening Clay 1.1lbs - White

Best Air-Dry Clays for Easy Crafting and Art Projects –

DAS / JOVI Air Dry Modelling Clay BULK 1kg Model Hardening Drying

Apoxie Clay - Aves: Maker of Fine Clays and Maches, Apoxie Sculpt, Epoxy Putty and More

The Clay Workman Blog: Amaco Self Hardening Clay - Stonex

ACTIVA Plus Natural Self-Hardening Clay

Air Hardening Clay

PLUS Clay - Air Dry Clay - 2.2 lb (1 kg )