Have you asked the question on google - several options come up, including this
http://www.hanbridgemandarin.com/course/chinese-language-course/chinese-course-for-children
My daughters best friend is off to China in August for a month - she will be learning basic spoken Mandarin by attending a school every day for 3 weeks (she is already fluent in Russian, Polish, German and French!) She said that trying to learn written Chinese will be the next challenge!


