Deep in the sea of words lies a mysterious city with an even more mysterious closed gate. There is a treasure hidden behind the gate! To open the gate you need two solution words. Take over the tasks of the sea creatures: What rhymes with mouse? Where does the a in apple belong? How many syllables does the word rabbit have? You receive a letter for each solved assignment. If you manage to find the solution words, the gate to the treasure will open! Pen not included, available separately. tiptoi® marker and download of the free audio files are required.