Materials Kit - Solid Blocks, Set of 14This comprehensive materials kit contains 14 solid blocks made from a diverse range of substances including metals, wood, wax, and glass. Each block is designed for students to examine texture, hardness, mass, density, and other physical properties. Varying in size and shape, the set offers a hands on way to compare and classify materials, supporting lessons in chemistry, physics, and Earth science. An ideal starting point for material investigations