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There are French songs for kids with translations on Amazon which also explain the actions which go with some of the songs. Learning how to pronounce sounds in French at a young age is really helpful. If you are French you will probably know the songs already, but it might take the strain off you and help to gather the children together if you can put a CD on to help you along ...? Once the children can sing along to a song on the CD you could even put on a show for the parents?!