CCVC cards with picture and color guides for building CCVC (consonant consonant vowel consonant) words with CVC Tri-Blocks Tub. Children follow the progression as they learn to sound out and build words. Can self-check answers on the back of each cards. Set of 26 CCVC cards with picture and colour guides for building CCVC (consonant consonant vowel consonant) words with CVC or Phonics Tri-Blocks Tub. Children follow the progression as they learn to sound out and build words. Can self-check answers on the back of each cards. Ages: 5 - 7 Year: 1 - 3