Didax: Unifix Cubes are perfect for teaching young learners patterns, numeration, operations, place value and early fractions. This package includes 100 Unifix Cubes in 10 standard colors: red, dark blue, light blue, yellow, green, orange, maroon, brown, black and white. This is a great starter set to introduce the world of Unifix Cubes, the industry's Gold Standard in math manipulatives!