Abacus

This rekenrek plastic abacus features ten rows of two different coloured plastic beads that easily slide back and forth
on metal rods. The sturdy plastic frame is designed to add desktop stability for easy student use, and may be used
either standing up, or laying flat. An excellent teaching tool for building basic mathematic skills in counting, addition, &
subtraction. Abacus measures 21cm x 20cm x 9cm.