This 100-piece box includes polyhedral (multi-sided) dice with numbers in assorted colors. The box includes an assortment of: tetrahedron (4 sided dice), hexahedron (6 sided dice), octahedron (8 sided dice), decahedron (10 sided dice), dodecahedron (12 sided dice), icosahedron (20 sided dice), and percentile (10 sided dice). Classroom use: teaches numbers, shapes, colors and can be used to make games and solve problems.