SELECT THE RADIUS CD CARD SET(S) ($41.95 EACH SET) THAT YOU WANT US TO SHIP TO YOU FROM THE LIST AT THE LOWER LEFT IN THE BLUE SQUARE BELOW: Blends and Diagraphs Sets - Long Vowels Sets - Reading Fluency Sets - Short Vowels Sets - Rhyming Word Families Sets - These CD cards sets are to be used with the Radius Audio Learning System #15304 (See the related product links below)