I have loved the Mickey and the Beanstalk film since I was 3 and I still love watching it (I'm 18!). It's one of the classics that I believe is underrated. The drawings and paint are stunning and the humour is there aswell (I absolutely love Herman, the narrator and Willy the giant!).
Considering it's 60 years old, it's really a fantastic Disney film that should be in anyone's collection.
It's a good, old-fashioned tale that will keep children interested and yet, as it's only approx. 30 minutes long it's short enough so as to not make them bored.
Give them a classic, rather than the a mass-produced Pixar type film!
They don't make 'em like this any more!