Brown Stair,montessori school materials,montessori elementary materials

Product Name: Brown Stair

Product Size: 1*1*20cm, 2*2*20cm, 3*3*20cm, ..., 10*10*20cm

Description: Brown Stair help child to learn the change of the width, while the length keeps the same.

montessori school materials,montessori elementary materials

montessori school materials montessori elementary materials