Fancy a walk with the kids in the great outdoors? Head for Au Paradis des Enfants, in the Saint Quentin en Yvelines leisure park. With prices among the cheapest in the Ile de France region, including €1 for a merry-go-round, €3 for a Mario karting session, €3 for unlimited inflatable games and €5 for duck fishing, the park promises plenty of laughs for the whole family. Good deal: Au Paradis des Enfants takes care of your parties and birthdays, with unlimited rides for €20 per child!