“Sand or Peter and the Wolf” (1969) IMDb
Caroline Leaf (director).
Loosely based on Prokofiev’s Peter and the Wolf, but full of metamorphosis.
A student film. One of the first animated in the medium of sand on lightboard. A few imaginative feats with the new medium, but otherwise not so hot.
References here: “The Owl Who Married a Goose: An Eskimo Legend” (1976).