www.montessoriequipment.com

Set of 16 sandpaper letter combinations on green wooden boards: ai, ar, au, ch, ee, er, ie, oa, oo, or, ou, oy, qu, sh, th, ue.

The purpose of this product is to develop a muscular impression of the letter shapes and to associate the sounds with the shapes. This also helps to develop a visual impression and to learn the writing direction of the letter shapes.