Woooo! This splendidly scary trunk-or-treat idea is fun and easy to make. Turn your car into a ghastly graveyard with a few props and a minimum of effort. This DIY Halloween craft project is a perfect family activity! Get everyone involved in preparing for a fun night. Your trunk will spook some little spirits when they come by for their sweet Halloween treats, and this decor idea is also a great backdrop for photos that will turn your holiday into a wonderful memory.