Read Write Inc. Phonics Flashcards are a great way to introduce the letters and sounds that make up words - the 'Speed Sounds'. The cards feature all ... We checked the price history for the Read Write Inc. Home: Phonics Flashcards with Amazon price historical data. This item is manufactured by OUP Oxford. It is sold in the category Books. Amazon have it for sale at 6.99 £. We noticed a higest price of 6.99 £ and a lowest price of 2.69 £.