DescriptionThe product can analyze addition and subtraction to make it easy for children to learn. It has clear numbers and accurate decomposition. Scientific design, easy to use, easy for children to use. gift choice for your kids learning.Features- Color: Blue. - Material: Plastic. - Size: Approx. 22 x 5x 0.5 cm. - Analyze addition and subtraction to make it easy for children to learn. - Clear numbers and accurate decomposition. - Scientific design, easy to use, easy for children to use. - Thick material, flexible and non-deformable. - Adopt advanced technology and technology to ensure the practical function, quality and beauty of the product.