Plastisial Self-Hardening grey coloured clay is non-toxic and washes off with water. No firing is required, and it hardens in air. It can be worked easily and be painted in gouache or acrylic. This clay is suitable for both fine arts and school classes as it is easy to work with a spatula or a knife, dries quickly and does not need to be fired. Keep the bag tightly closed.

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Note: Protect from Freezing.