Seeking ASAP Children´s Teacher 20/Hour

We are seeking an expert native English teacher who is EXCELLENT with teaching English to children. These are 2 children who already have a good level of English because they attend a private fully bilingual school and are very intelligent. 
The class would be Mondays and Wednesdays from 1800 to 1930 in the Moncloa district and it would be a long term project so we would need someone, who apart from being GREAT with kids, dynamic and make learning fun, patient, we would need someone who is committed. Possible additional classes available as well. 

20 euros/hour for autonomos