A few marionettes were also used. Other effects required large "mogwai" faces and ears to be produced for close-ups, as the puppets were less capable of conveying emotion. Consequently, large props simulating food were needed for the close-ups in the scene in which the "mogwai" feast after midnight. An enlarged Gizmo puppet was also needed for the scene in which he multiplies. The new "mogwai", who popped out of Gizmo's body as small, furry balls which then started to grow, were balloons and expanded as such. Walas had also created the exploding gremlin in the microwave by means of a balloon that was allowed to burst.