A set of the first 100 words in order of frequency. Borders are color-coded according to the phonics progression. Sound Buttons are included for explicitly teaching synthetic phonics and tricky components. Double sided with for practicing rapid word recall and fluency. On one side is simply the word. On the other side sound buttons which show how many sounds are in the word. Tricky parts of the word (that don't follow normal decoding rules) are highlighted in pink). Details:4.6" x 3.5" x 1.9" package sizeFor ages 4 and up