If your son or daughter is planning on making a diorama for a classroom project or just because, making a cool water feature can be a great idea. Using real water may be fine and all, but if you want to prevent any kind of mess from happening, you can build one using materials that give a water like feel. So in this tutorial, you'll be finding out how to make a diorama waterfall from scratch. It's great for dioramas and is sure to be a much better fit than actual water. So good luck and enjoy!