Amazon.com: Mont Marte Grey Air Hardening Modeling Clay, 500g (1.1lb). Dries in Approximately 24 Hours. Suitable for Sculptors and Modelers of All Skill Levels. : Arts, Crafts & Sewing
Roma 1 - Roma Plastalina Modeling Clay - 40 lb Case - Grey Green - Soft
Grey modelling clay ball, lump isolated on white background Stock Photo | Adobe Stock
Amazon.com: Jovi Air-Dry Modeling Clay; 1.1 lb. Grey, Non-staining, Perfect for Arts and Crafts Projects : Arts, Crafts & Sewing