UniLink Linking Cubes 500-Count Set

Easy to connect, these interlocking cubes come in 10 bright colors: black, blue, brown, green, light green, orange, purple, red, yellow and white. Terrific for helping children visualize numbers and teaching math concepts including addition, subtraction and place value. Also great for counting, sorting and pattern making. 500 cubes per package, each measures 1x1x1". For grades PreK and up.