Demonstrate numbers easily using Deci-Rods as your base ten manipulative. Deci-Rods come in 10 sizes and share the same color configuration as Deci- Blocks. The longest rods are 1 x 1 x 10 cm and the shortest rods are 1 x 1 x 1 cm. Set of 80 Deci-rods with guide in container. Grades K+.