Numerical Rods
Ten solid wooden rods divided into units by alternating colors of red and blue. The rods are constant in height and width (2.5cm) while graduated in length from 10 cm to 1 meter.
Activity:
"The Number Rods introduce the child to quantity 1-10 and their corresponding number names. Through exploration with the material, the child also develops concepts in sequence of number, combinations of 10 and basic arithmetic."