Home Montessori Spiral Activity Abacus Spiral Activity Abacus Dimensions Size 10″ x 12″ x 12″ Color Multi Category: Montessori Related products Abacus (B) MontessoriRead more Fruit Board Mini Carving MontessoriRead more Abacus (H) MontessoriRead more Numbers (1-20) With Knob MontessoriRead more