Double Trouble and the Magical Mirror
Unheimlich perfekte Freunde (original)
Two boys find a magic mirror that creates identical versions of them to go to school and do chores, but soon they must take their identities back.
Starring Luis Vorbach, Jona Gaensslen, Margarita Broich, Marie Leuenberger, Maja Beckmann, Arnd Schimkat, Katharina M. Schubert, Serkan Kaya, Butz Ulrich Buse, Colin Badura
It's a family and comedy movie, and has a rating of 6.2 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Australia.