Montessori Lower Case Double Sandpaper Letters w/ Box Go to amazon.com Related posts Thing need consider when find sandpaper letters montessori? FeatureDesigned for right-handed learners.Size of tile: 8.75" x 4.75" - 7.5" DescriptionSet of 16 sandpaper letter phonograms on green wooden boards: ai, ar, au, ch, ee, er, ie, oa, oo, or, ou, oy, qu, sh, th, ue.