EXTERNAL AU PAIR NEEDED

We are looking for an external au pair Monday-Friday from 12.25 to 3.15 pm until the end of June. Job would consist on picking up 3 children at school and taking them home for lunch, play and read with them, and taking them back to school (in the same block as the house in the center of Madrid). Children are 6 and 4 (twins). The older one can speak English and needs practising the reading as well. We offer 250€ / month and lunch would be included.