Teaches students key skills such as fractions and measurement through real-world representations. Includes six sets of 74 plastic rods (244 rods total) in an assortment of colors; each color represents a different length, from 1 cm to 10 cm. Enough for 12 to 18 students to use at a time. Size: 35.6 x 23.4 x 8.1 cm. Ages 4+.