Home Montessori Abacus (E) Abacus (E) Dimensions Size 11″ x 3″ x 8″ Color Multi Category: Montessori Related products Numbers (1-20) With Knob MontessoriRead more Numbers (1-20) With Knob MontessoriRead more Hindi Alphabet Insert Puzzle With Knob MontessoriRead more Abacus (H) MontessoriRead more