Puffalunp movie where they go through mirror into patch land

In this animated children's feature, two kids find themselves in the strange and fascinating world of the friendly animals known as the Puffalumps.

For seven years a certain boy wizard went to a certain Wizard School and conquered evil. This, however, is not his story. This is the story of the Puffs... who just happened to be there too. A tale for anyone who has never been destined to save the world.