"Here is the slide. So I need the objects to have the little red X-es only if they are dropped incorrectly in the yellow box. (The extras ..."

"I need the incorrect state for them when they are actually dropped incorrectly (to any of the drop targets). I also would like the other..."

"Hello people! Is it possible to have drag objects in a drag&drop NOT to change to drop incorrect state if not dropped on any target?..."