I needed something quick and very cheap..the boxes are free...(I send a lot, so I order a lot) I had a styrofoam cooler that I cut up...lots of gorilla glue, then duck tape..my monster mud was way to thick so I used a putty knife like stucco (I like the way it cracked) painted it gray...dryer lint and green craft paint for moss and going to seal it with something like drylock to protect it for a year until I have time to make better ones!
Victoria Falls VBS prop made from 6" thick styrofoam pieces, painter's drop cloth w/ lt. blue tablecloth & brown paper (painted blue) for the water. Begin by cutting grooves in the stryrofoam w/ knife, sawsall, rotozip, etc. Heat grooves with a heat gun to give it a more realistic look (wear a respirator as the fumes are toxic). Paint with a medium brown paint w/ mocha glazing mixed in. Add clear painter's plastic for water. Add greenery and watch your waterfall come to life before your e...