Learning Resources Reading Rods Prefixes & Suffixes. Students snap together advanced phonics and reading skills with these hands-on resources for reading in English. This set of Reading Rods includes upper and lowercase consonants, vowels, digraphs, vowel teams, word families and affixes. This helps them use affixes, roots, and bases to decode complex words. The 65 colour-coded rods are in a box with dividers for organisation and includes a Teachers Guide with free downloadable content. (Ages 7+)