Pyromini is an invention that lets you spew fire from anywhere you want with a trigger. This invention would be great for magicians and their fire magic tricks.

Pyro mini has different modes like burst fire, it is small and easy to carry around as well. You put it on with a Velcro strap. This relates to engineering because the people who made it had to think of how to make it small and make it spurt fire at modes like burst.