DnD with my daughter and friends

Tomorrow I'm premiering as a DM - I've prepared a quick adventure for my daughter's friends' club - printed out characters that look interesting, found some nice monsters, bought a manual, decided to use some plastic and a chessboard and pieces, got my dice ready, and found and changed a little bit a version of the pied piper that I found on one of the many sites devoted to this subject - I'm looking forward to it yet feel a bit anxious.... I'll get back with the results!