Tagesmutter Job in Freiburg im Breisgau

Me and my son are visiting Fryburg for a work conference. I’m trying to find a companion to be with him for 4 to 5 hours a day, while I’m at the conference. Ideally, they would speak English and would be willing to take him around the city to see some sites or maybe play some soccer and generally have some fun. He is a very mature and easy 12 year-old but is not old enough to explore the city by himself without an adult. The dates would be July 15 through the 18th, which is a Tuesday through Friday.