Here are some toxic waste barrels that I made for my haunt 2007. I was trying to think of a way to make toxic waste look like it was really toxic. I wanted it to look alive, like lava-with lights flickering from inside and steam-fog. Here is what I came up with and it looks great in person. The orange ones looked live lava and was extremely convincing, and the green ones looked toxic.
Step 1: Step 1
I got some empty cardboard 55 gallon drums. I wanted them to look like the black and white steel drums, so we painted them. We spray painted them with black and primer grey, and we used duct tape to section them off where we wanted different colors.