Intuitoys CVC Word Twisters - Lowercase Letters - Montessori Inspired Phonetic Beginning Reading Blocks Consonant-Vowel-Consonant (CVC) words form the building blocks of reading. This toy helps your beginning reader to sound out and decode CVC words. It also helps them develop familiarity with letter combinations and rhyming. Developed by 3 teachers with over 50 years of experience, this set has the perfect balance of real and nonsense words. Nonsense words are valuable educationally to determine if the learner knows the correct sounds letters make in unfamiliar combinations. Also comes in Upper Case (capital) . The vowels and consonants are color coded to distinguish them from each other. Each set includes five distinct twisters to equal 320 combinations of three letter words. Each eco-friendly set comes with teaching instructions and suggested games to make learning easy and fun. Each set of CVC twisters is handmade in the USA from birch and maple, approximately 1 by 5. Not intended for mouthing or teething. Warning: contains small parts, possible choking hazard.