Help your students understand common core skills such as fractions and measurements with real-world representations, using these colorful plastic rods. There are ten different colors and each color represents a different length. Set colors include white, red, light green, purple, yellow, dark green, black, brown, blue and orange.Details:Includes assorted colors0.40" to 4" approximate sizeIncludes 155 piecesUse with 4 to 6 students at a timeFor ages 4 and up