Home Montessori Abacus (B) Abacus (B) Dimensions Size 11″ x 3″ x 8″ Color Multi Category: Montessori Related products Hindi Puzzle With Picture And Knob MontessoriRead more Abacus (D) MontessoriRead more Numbers (1-20) With Knob MontessoriRead more Abacus (C) MontessoriRead more