Adding smoke and flame effects to your costume is easier than you might think, using a vaping e-cig loaded with vegetable glycol and pumped using a small aquarium pump. This effect, combined with some flickering LEDs tucked into inconspicuous places, can give a realistic fire and smoke look to your next costume. See it in action and I’ll show you how to build it
I made this Ghost Rider costume by 3D printing a skull that I found on Thingiverse (free) and modified in Tinkercad (also free), then painting it. The electronics and controls are incredibly simple, controlled by a cluster of buttons held in one hand and operated by momentary switches. The whole thing costs less than $100, assuming you already have black clothes, a motorcycle jacket, and a 3D printer.