The 'oe' in 'poes' (cat), the 'aa' in 'aap' (monkey), and the 'ee' in 'peer' (pear). They all appear in this two-letter quartet from Letterplons. Collect four cards with the same letters as quickly as possible. This quartet game is specially designed for children who enjoy working with letters. Through play, they practice diphthongs (oo, aa, ee, uu) as well as digraphs (ui, ie, ei, eu, oe). You can play the game in various ways: with letters, words with pictures, and by color. This makes the quartet game different every time. Guaranteed endless fun! Contents: • 32 quartet cards • game rules Learning objectives: • Practice diphthongs • Practice digraphs • Match sounds to letters • Learn to read