DescriptionThe product can analyze addition and subtraction to make it easy for children to learn. It has clear numbers and accurate decomposition. Scientific rail design, easy to pull, easy for children to use. Suitable as gifts for little kids before primary learning.Features- Color: As Shown. - Material: Wood. - Size: Approx. 33 x 9x 1.5 cm. - Analyze addition and subtraction to make it easy for children to learn. - Clear numbers and accurate decomposition. - Scientific rail design, easy to pull, easy for children to use. - Premium material, flexible and non-deformable. - Suitable as gifts for little kids before primary learning.