Abacus, Rekenrek Student 25 x 7 x 7 cm
Material #: 9446
Unit of Measure:EA
Unit of Measure:EA
2-row abacus, each containing 5 red beads and 5 white beads to count to 20. Sturdy plastic frame and beads, metal rods. Stable triangular structure inclined to optimize visual discrimination and manupulation. 25 x 7 x 7 cm high. Age: 3 +