Moomin (1990)

Spring has come to Moominvalley, and Moomin and his family come out of their winter hibernation. Up in Lonely Mountains Moomin, Snufkin, Sniff and Little My find a large top Hat, which they bring home. Too big to be worn they use it as a waste paper basket, but it is a Hat of magical qualities, and anything thrown into it changes into something completely different...