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 pull, easy for children to use. And it can be your kids' good choice.Features- Material: Wood. - Can better help teens to acquire more knowledge about math.- To teach them do math work, count numbers and the hand-eye coordination.- A good helper for home, school, classroom teaching, and can also be applied as daily use.- Arithmetic learning ruler is made of wood, reusable and long lasting.- Professional and practical design with beautiful appearance, easy to carry and use.
