Grey modeling clay offers exceptional versatility for educational and artistic applications. Its neutral tone provides the perfect base for painting projects while teaching color theory fundamentals. Teachers appreciate how this bulk modeling clay supports hands-on STEM activities and sensory development in young learners. Classroom packs allow entire groups to create sculptures, geological formations, or historical artifacts together. The self-hardening clay options eliminate the need for kiln firing, making them ideal for school environments. This air-dry clay maintains excellent workability while drying to a durable finish overnight. Artists value its smooth texture for detailed figurines and professional prototypes. Our grey clay maintains consistent quality across batches, ensuring reliable results for both classroom projects and professional studio work. Oriental Trading's bulk modeling clay solutions provide outstanding value for schools and crafting groups. The 24-piece classpack includes enough materials for collaborative learning activities while staying within budget. Premium self-hardening clay offers professional-grade performance for serious artists and hobbyists alike. Both options ship quickly from our US warehouses, getting materials to your classroom or studio within 1 business day. All our grey modeling clay products are non-toxic and safety-tested, meeting rigorous quality standards. The pliable texture is easy for small hands to manipulate yet holds fine details for advanced projects. Teachers can confidently incorporate these materials into curriculum-aligned activities from preschool through elementary grades. Explore our selection today to discover why educators have trusted our craft supplies for over 90 years.