MUKAYIMO Montessori Children's Addition and Subtraction Clock Model by Mukayimotoys No reviews Sale $19.98 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Product name: MUKAYIMO Montessori children's addition and subtraction clock modelPacking size: 15*15*2.2cmMaterial: BasswoodWeight: 0.25kg