Easy to connect, interlocking cubes are perfect for teaching students fundamental math concepts—counting, sorting, patterns, addition, subtraction, multiplication, graphing, and more! FEATURES Versatile tool for teaching multiple math concepts Easy to connect Durable pieces will withstand repeat usage 10 Bright colors (blue, yellow, red, greeen, orange, black, purple, brown, light green, and white INCLUDES 2,000 Linking Cubes, assorted colors Storage Container