Lace and Link Big Lauri letter puzzles link only to the succeeding one, making sequence as easy as A-B-C. Or hop, skip and jump on washable Crepe Rubber letters. Recognize textured letters by feel, or lace them to reinforce letter shapes. Each set includes 26 of 4" tall letters plus frames, 10 tipped laces, suggested activities, and plastic storage tub. When you combine upper and lower case, you can also match A to a and B to b (but not A to b).