The 100 Wierder Lëtzebuergesch tool was created for Min. of Integration to enable the refugees to have contact with the Luxembourgish local population and make it more easy to integrate the educational system in Luxembourg. The approach is: Multilingual, highlighting the Luxembourgish language while valuing the other languages of the country as well as the mother tongue of the newcomers, Interactive and playful, allowing to practice the Luxembourgish language. The Adult Education Service uses the 100 Wierder Lëtzebuergesch course material in its classes and makes it available to training organizations, associations and volunteers who mentor and welcome people who want to integrate into Luxembourg