Product Name: Subtraction Strip Board
Product Size: 30.40*0.5 cm, 40.5*10*4cm(box)
Description: wooden board 12 squares by 18 squares with the numerals 1-18 printed across the top. A wooden box contains 9 red wooden strips and 9 blue wooden strips both printed with the numerals 1 to 9 and 18 natural wooden strips of varying lengths.
montessori materials,montessori toys
