Features and style-

Durable Math Tool for Children or Adults •Abacus for the Blind perfect for teaching children and for adults to do quick calculations •Abacus for Math has sturdy, lightweight design. •Made in durable plastic with plastic beads •15 metal rods •Resistant Backing •Easy to carry   Device construction- 6” x 3.5” x 0.13” size and 125gms weight (approx)   Description-   This Abacus for the Blind is a Cranmer-style abacus used by blind children to gain an in-depth understanding of numbers and mathematics, and by blind adults to perform quick calculations. . The Abacus for math has 15 rods with 4 beads on top column and 1 bead on lower column. Resistant Backing. Easy to carry. Lightweight. Can be used by anyone.