In the Doll Land(1941)

The girl Zina and the boy Kolya mistreated toys. Offended toys fled to the doll country. The children gave chase. Reduced by the sorceress Mouse, they ended up in a wonderful land of dolls. By the verdict of Santa Claus, the children were turned into dolls and experienced all the troubles of toys that fell into the hands of careless children. Zina and Kolya reconciled with their toys and the Mouse returned them to their former appearance.