描述
- Famous Montessori Math Material:Addition Subtraction Board
- High-grade beech wood, environmental protection water-based paint
- With wooden box,and Operation method on the package.Tell you how to play it.
- with addition and subtraction board,red,blue and nature wooden color ruler.
- Professional Addition Subtraction Board version to develop kids'math ability.
Edition:Addition and Subtraction
Montessori Addition Subtraction Board Children's Mathematics Learning Aids With Wooden Box Early Development Professional Math Material With wooden box,and Operation method on the package.Tell you how to play it. Professional Addition Subtraction Board version to develop kids'math ability.
