Crushed Stone Basalt 1lt JarAdd a touch of raw, natural wonder to your sensory and creative spaces with Crushed Stone Basalt, presented in a handy 1 litre jar. These stunning, tumbled stones bring rich, earthy textures into the classroom, perfect for open ended play, sensory tables and imaginative art creations. Their dark, moody tones provide a striking contrast to other natural materials and can inspire a world of small world storytelling and transient art projects. Collected