Ideal for a whole range of letter and word challenges, the Multiphonics® Cubes in this pack have been selected according to letter frequency, allowing children to build a very large number of common words. The vowels and consonants feature lower case letters on one side and upper case on the reverse. The blend cubes feature lower case on both sides. Contains: 300 cubes (50 red vowels, 100 blue consonants, 68 yellow initial blends, 40 green final blends and 42 white vowel digraphs).