All of the words used throughout Letters and Sounds (including the first 100 high-frequency words) are contained within these simple yet highly effective boxed sets of flash cards. Each set comes in a sturdy storage box with tabbed phoneme dividers. Measures 135mm x 60mm.

The focus word is presented on one side and the word with 'sound buttons' on the other. Play the countdown game, where children try to read as many words as they can against the clock.