Alongside decoding (for reading) students need to be taught encoding (for spelling). 
The backs of the tiles are colour-coded to the phases of Letters and Sounds so that beginner spellers can use just the Phase 2 tiles, making simple CVC words. 
As students progress the other phase tiles can be added systematically.
Contains 103 Phoneme tiles (25mm x 25mm) and 4 playing boards (190mm x 130mm).